Following is the data related to the daily production of the two factories of same product located in two different states. Factory Daily Production Factory 1 66 66 73 83 74 73 73 69 82 71 73 66 67 80 79 78 Factory 2 66 63 71 65 65 67 57 48 71 73 68 58 62 81 60 62 72 72 57 77 68 Calculate the critical values “ttab”, and tcal
Q: Suppose you will perform a test to determine whether there is sufficient evidence to support a claim…
A: Solution: State the hypotheses. Null hypothesis: H0: There is no linear correlation between two…
Q: The number of men and women among professors in Math, Physics, Chemistry, Linguistics, and English…
A: The given table is as follows:
Q: In studying the relationship between income and time spent exercising, suppose you computed r=−0.052…
A: The provided value of correlation coefficient, r is -0.052 and the sample size, n is 19. So, the…
Q: Select the correct answer below: r is significant because it is between the positive and…
A: From the given information, the sample size n = 25.Therefore, the degrees of freedom is n – 2 = 25-2…
Q: The following data were obtained from a company that manufactures special plastic containers that…
A: Given information: The data represents the observed counts of each of the three 8-hour shifts versus…
Q: 16. The following table shows the results of a study on smoking and three illnesses. We are…
A: Given Information: Consider the given dataset: Emphysema Heart Problem Cancer Total Smoker…
Q: Find the test statistic. (Round your answer to two decimal places.) F =
A: The ANOVA is conducted by using EXCEL. The software procedure is given below: Enter the data.…
Q: The net weights (in grams) of a sample of bottles filled by a machine manufactured by Edne, and the…
A: Given Data: n1=6 n2=8 Degree of freedom=n1+n2-2=12
Q: A study is conducted on the relationship of the number of absences (X) and the grades (Y) of 15…
A: Given that Let X denotes the number of absence and Y denotes the Grade in statistics The data of X…
Q: The data table shows the yields for a one-year certificate of deposit (CD) and a five-year CD for…
A: Given: The data table shows the yields for a one-year certificate of deposit (CD) and a five-year…
Q: Number of households per drop-off point Amount of non- (x, -x) (Y, -Y) (x; - x)(Y, – Y) disposed…
A: let us first find the correlation in between availability of drop -off points in the neighborhood (x…
Q: eY) O to noiletosoy 40. From the following data estimate the number of persons earning wages between…
A:
Q: A researcher wanted to determine if carpeted rooms contain more bacteria than uncarpeted rooms., The…
A: Given that If carpeted rooms more bacteria than uncarpeted room. I want to find null and…
Q: At a significance level of 0.05, the critical f value for the position factor is O fo.05, 1.2 O…
A: The level of significance is 0.05. The degrees of freedom is (2,2)
Q: The comparative boxplot (see below) of gasoline vapor coefficients for vehicles in Detroit appeared…
A: Answer:----. Date:----3/10/2021
Q: 45. The following table gives the distribtution of weekly income of 160 families in a town : Weekly…
A:
Q: Part c. Please show TI 84 steps
A: The provided pair of measurements are;
Q: A researcher, by using a sample of 3,294 USA individuals observed in 1987 wants to estimate how wage…
A:
Q: In a test of the ability of a certain polymer to remove toxic wastes from water, experiments were…
A: Given Information: Low Medium High 42 35 28 41 42 30 40 34 32 40 38 35 29 42 46
Q: Consider the bivariate data shown in the table. х 10 11 13 14 15 16 10.8 8.6 9.7 12 6.4 5.7 7.3 4.8…
A: Given data is, Consider,
Q: In Lecture 6, we defined the Wilcoxon rank sum test statistic W as the sum of the ranks of the Y…
A: Given that W = sum of the ranks of the Y observations W' = sum of the ranks of the X observations…
Q: The table shows the CBR and CDR of Y Province. Compute for: 1. Relative increase in the…
A: Given Data: Population size (1985)=1365533 Population size (1990)=1552258
Q: A researcher wants to study the relationship between salary and gender. She randomly selects 307307…
A: It is given that the level of significance is 0.025.
Q: test statistics of z = 3.15 is obtained when testing the claim that p > 0.27. Use the significance…
A:
Q: Data on pull-off force (pounds) for connectors used in an automobile engine application are as…
A: d) Point estimate of the population standard deviation: The point estimate of the population…
Q: Recall the data for the three populations. p1 = 0.576 n1 = 250 p2 = 0.48 n2 = 300 p3 = 0.45…
A: Given, p1 = 0.576 n1 = 250p2 = 0.48 n2 = 300p3 = 0.45 n3 = 200
Q: Using α=0.05α=0.05, find the critical values of r.
A: Given that Number of observations n = 10 Level of significance = 0.05 We will use Pearson's…
Q: A test of hypothesis has the following details: H0: µ = 50 vs Ha: µ < 50, n = 64, σ = 8, α = 0.04,…
A:
Q: Compute the residuals. Round your answers to three decimal places as needed. y Residual 10.334.2…
A: Given: Cost X Number Y 10.3 34.2 10.6 34.2 11.8 34.9 13.7 36.4 15 37.2 17.3 37.8…
Q: Suppose that we want to compare the cholestrol contents of four competing diet foods on the basis of…
A:
Q: In studying the relationship between income and time spent exercising, suppose you computed r=−0.052…
A: The degrees of freedom is n–2=19–2=17.Rejection rule:If r is not lies between positive negative…
Q: Match each Test Situation with the correct Critical Value. For a two-sided test, find only the…
A: As per guideline expert have to answer first question three subparts only dear student please upload…
Q: I. Using the z table, find the critical value (or values) for each. 1. a = 0.05, two-tailed test 2.…
A: Since you have posted a question with multiple subparts, we will solve the first three complete…
Q: Two fuel additives are tested to determine their effect on miles per gallon for passenger cars. Test…
A: First compute the difference between the data of the additives. Following table gives the difference…
Q: The number of men and women among professors in Math, Physics, Chemistry, Linguistics, and English…
A: Claim : The gender of a professor is independent of the department. Hypothesis : H0 : The gender of…
Q: A study of the relationship between age and various visual functions (such as acuity and depth…
A: Solution-: From the given data we want to calculate (a) ∑xi=? ∑xi2=? (b) sample variance s2=?…
Q: 8. The accompanying data on flexural strength (MPa) for concrete beams of a certain type was 5.9 7.2…
A:
Q: 5. The following table lists the tensile strengths of a rubber compound produced by three different…
A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…
Q: A consumer buying cooperative tested the effective heating area of 20 different electric space…
A: (a) Correlation coefficient r = 0.0897
Q: The following table shows the distribution of the life time of 350 radio tubes. ẩLiẩfeẩme (in hours)…
A: Given Lifetime (in hours) Number of tubes 300 - 400 6 400 - 500 18 500 - 600 73 600 - 700…
Q: Select the correct answer below: r is significant because it is between the positive and…
A: From the given information, the sample size n = 20.Therefore, the degrees of freedom is n – 2 = 20-2…
Q: Calculate the test statistic qo for each pairwise difference. 912 %3D 913 = 923 %3D (Round to three…
A: q12=(10.8-4.8)/sqrt(22.5/6)=6/1.9365 =3.098 q13=(19.3-4.8)/sqrt(22.5/6)=14.5/1.9365 =7.488…
Q: Find the z-score that defines α=0 .05 and α=.01 critical regions for a one-tail test? 8. Find…
A: 1. α=0 .05 Using z-distribution table z-score for one tail test=1.645 α=0.01 Using…
Q: The Table below shows the average score of the150 students sampled from the University of the East…
A: Use your results above to comment on the shape of the distribution. Give a reason for you answer.…
Q: The oal amount of consumer credit has been increasing steadly in recent years The folowing table…
A: Given that, The total amount of consumer credit has been increasing steadily in recent years. The…
Q: The table below shows the inside diameter of a bored hole, on a mild steel castings from two…
A: The test statistic for test of difference of mean is given by the formula:…
Q: The following table gives information on GPAS and starting salaries (rounded to the nearest thousand…
A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…
Q: An economist is studying the job market in Denver area neighborhoods. Let x represent the total…
A:
Q: BS Food BS Computer BS Applied Gender BS Biology Technology Science Mathematics Male 8 23 6 Female…
A: Given, Gender BS Biology BS Food Tech BS CS BS Applied Maths Male 5 8 23 6 Female 22 19 13 14
Q: Here is a bivariate data set. x y 77.8 -13.6 62.8 -123.2 27.7 110.2 29.9 106.7 35.9 77.1 26.8 177.2…
A: From the given information, x y x^2 y^2 xy 77.8 -13.6 6052.84 184.96 -1058.08 62.8 -123.2…
Following is the data related to the daily production of the two factories of same product located in two different states.
Factory |
Daily Production |
||||||||||||||||||||
Factory 1 |
66 |
66 |
73 |
83 |
74 |
73 |
73 |
69 |
82 |
71 |
73 |
66 |
67 |
80 |
79 |
78 |
|
|
|
|
|
Factory 2 |
66 |
63 |
71 |
65 |
65 |
67 |
57 |
48 |
71 |
73 |
68 |
58 |
62 |
81 |
60 |
62 |
72 |
72 |
57 |
77 |
68 |
Calculate the critical values “ttab”, and tcal
Step by step
Solved in 2 steps
- In studying the relationship between age and time spent exercising, suppose you computed r=−0.307 using n=20 data points. Using the critical values table below, determine if the value of r is significant or not. df CV (+ and -) df CV (+ and -) df CV (+ and -) df CV (+ and -) 1 0.997 11 0.555 21 0.413 40 0.304 2 0.950 12 0.532 22 0.404 50 0.273 3 0.878 13 0.514 23 0.396 60 0.250 4 0.811 14 0.497 24 0.388 70 0.232 5 0.754 15 0.482 25 0.381 80 0.217 6 0.707 16 0.468 26 0.374 90 0.205 7 0.666 17 0.456 27 0.367 100 0.195 8 0.632 18 0.444 28 0.361 9 0.602 19 0.433 29 0.355 10 0.576 20 0.423 30 0.349 Select the correct answer below: 1) r is significant because it is between the positive and negative critical values. 2) r is not significant because it is between the positive and negative critical values. 3) r is significant because it is not between the positive and negative critical values. 4) r is not significant because it is…In studying the relationship between income and time spent exercising, suppose you computed r=−0.052 using n=19 data points. Using the critical values table below, determine if the value of r is significant or not. df CV (+ and -) df CV (+ and -) df CV (+ and -) df CV (+ and -) 1 0.997 11 0.555 21 0.413 40 0.304 2 0.950 12 0.532 22 0.404 50 0.273 3 0.878 13 0.514 23 0.396 60 0.250 4 0.811 14 0.497 24 0.388 70 0.232 5 0.754 15 0.482 25 0.381 80 0.217 6 0.707 16 0.468 26 0.374 90 0.205 7 0.666 17 0.456 27 0.367 100 0.195 8 0.632 18 0.444 28 0.361 9 0.602 19 0.433 29 0.355 10 0.576 20 0.423 30 0.349 Select the correct answer below: 1. r is significant because it is between the positive and negative critical values. 2. r is not significant because it is between the positive and negative critical values. 3. r is significant because it is not between the positive and negative critical values. 4. r is not significant because it…To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the Jacobs Chemical Company obtained the following data on the time (in minutes) needed to mix the material. Manufacturer 1 2 3 19 32 23 25 30 22 23 35 26 21 31 25 a. Use these data to test whether the population mean times for mixing a batch of material differ for the three manufacturers. Use alpha=0.05. Compute the values below (to 2 decimals, if necessary). Sum of Squares, Treatment ? Sum of Squares, Error ? Mean Squares, Treatment ? Mean Squares, Error ? Calculate the value of the test statistic (to2 decimals)? The p-value is? What is your conclusion? b. At the 0.05 level of significance, use Fisher's LSD procedure to test for the equality of the means for manufacturers 1 and 3. Calculate Fisher's LSD Value (to 2 decimals)? What conclusion can you draw after carrying out this test?
- In studying the relationship between income and time spent exercising, suppose you computed r=−0.052 using n=19data points. Using the critical values table below, determine if the value of r is significant or not. df CV (+ and -) df CV (+ and -) df CV (+ and -) df CV (+ and -) 1 0.997 11 0.555 21 0.413 40 0.304 2 0.950 12 0.532 22 0.404 50 0.273 3 0.878 13 0.514 23 0.396 60 0.250 4 0.811 14 0.497 24 0.388 70 0.232 5 0.754 15 0.482 25 0.381 80 0.217 6 0.707 16 0.468 26 0.374 90 0.205 7 0.666 17 0.456 27 0.367 100 0.195 8 0.632 18 0.444 28 0.361 9 0.602 19 0.433 29 0.355 10 0.576 20 0.423 30 0.349 Select the correct answer below: a. r is significant because it is between the positive and negative critical values. b. r is not significant because it is between the positive and negative critical values. c. r is significant because it is not between the positive and negative critical values. d. r is not significant because it is…The following data pertain to x, the amount of fertil-izer (in pounds) that a farmer applies to his soil, and y, his yield of wheat (in bushels per acre): xy xy xy112 33 88 24 37 2792 28 44 17 23 972 38 132 36 77 3266 17 23 14 142 38112 35 57 25 37 1388 31 111 40 127 2342 8 69 29 88 31126 37 19 12 48 3772 32 103 27 61 2552 20 141 40 71 1428 17 77 26 113 26 Assuming that the data can be looked upon as a randomsample from a bivariate normal population, calculate rand test its significance at the 0.01 level of significance.Also, draw a scattergram of these paired data and judgewhether the assumption seems reasonable.Use the following data to determine if drug B produces higher creatinine levels than drug A, assume the data is normally distributed. Creatinine levels (µmol/L) Drug A Drug B 48.2 52.3 54.6 57.4 58.3 55.6 47.8 53.2 51.4 61.3 52.0 58.0 55.2 59.8 49.1 54.8 49.9 52.6 Write out the null and alternative hypothesis in *words and symbols*. What is the hypothesis in words? Determine the critical value (use a significance level of 0.05) Calculate the test statistic, and determine if the results are significant or not. How did you calculate the standard deviations? Please provide a complete outline of calculations
- The following data were obtained from a two-factor independent-measures experiment with n=10 participants in each treatment condition. B1 B2 A1 M=4 T=50 SS=20 M=7 T=20 SS=28 A2 M=1 T=20 SS=12 M=4 T=30 SS-20 a. Calculate degrees of freedom and locate the critical region for each of the three tests (a=.05) b. Calculate the three F-ratios c. State the conclusion for each test.rofessor Cornish studied rainfall cycles and sunspot cycles. (Reference: Australian Journal of Physics, Vol. 7, pp. 334-346.) Part of the data include amount of rain (in mm) for 6-day intervals. The following data give rain amounts for consecutive 6-day intervals at Adelaide, South Australia. 7 28 7 1 69 3 1 4 22 7 16 4 54 160 60 73 27 3 3 1 7 144 107 4 91 44 1 8 4 22 4 59 116 52 4 155 42 24 11 43 3 24 19 74 26 63 110 39 34 71 52 39 8 0 15 2 14 9 1 2 4 9 6 10 (i) Find the median. (Use 1 decimal place.)(ii) Convert this sequence of numbers to a sequence of symbols A and B, where A indicates a value above the median and B a value below the median. Test the sequence for randomness about the median at the 5% level of significance. (b) Find the number of runs R, n1, and n2. Let n1 = number of values above the median and n2 = number of values below the median. R n1 n2 (c) In the case, n1 > 20, we cannot use Table 10 of Appendix II to find the critical…In an experiment to determine the effect of ambient temperature on the emissons of oxides of nitrogen ( NOx ) of diesel trucks, 10 trucks were run at temperatures of 40°F and 80°F . The emissions, in parts per billion, are presented in the following table. Truck 40°F 80°F 1 926.5 896.7 2 851.1 857.0 3 975.5 952.1 4 1009.3 884.8 5 871.8 840.7 6 949.2 885.1 7 1006.3 885.5 8 836.5 777.8 9 837.8 850.2 10 958.9 882.1 Send data to Excel Let μ1 represent the mean emission at 40°F and =μd−μ1μ2 .Can you conclude that the mean emission differs between the two temperatures? Use the =α0.05 level of significance and the TI-84 Plus calculator to answer the following. p value ? do we reject? is there enough evidence :?
- Suppose you computed r=−0.285 using n=13 data points that were collected when studying the relationship between average weekly overtime and years working for a company. Using the critical values table below, determine if the value of r is significant or not. df12345678910CV (+ and -)0.9970.9500.8780.8110.7540.7070.6660.6320.6020.576df11121314151617181920CV (+ and -)0.5550.5320.5140.4970.4820.4680.4560.4440.4330.423df21222324252627282930CV (+ and -)0.4130.4040.3960.3880.3810.3740.3670.3610.3550.349df405060708090100CV (+ and -)0.3040.2730.2500.2320.2170.2050.195 Select the correct answer below: r is significant because it is between the positive and negative critical values. r is not significant because it is between the positive and negative critical values. r is significant because it is not between the positive and negative critical values. r is not significant because it is not between the positive and negative critical values.The Turbine Oil Oxidation Test (TOST) and the Rotating Bomb Oxidation Test (RBOT) are two different procedures for evaluating the oxidation stability of steam turbine oils. An article reported the accompanying observations on x = TOST time (hr) and y = RBOT time (min) for 12 oil specimens. TOST 4200 3600 3750 3650 4050 2770 RBOT 370 345 375 315 350 205 TOST 4870 4525 3450 2700 3750 3325 RBOT 400 380 285 220 345 290 (a) Calculate the value of the sample correlation coefficient. (Round your answer to four decimal places.) r = Carry out a test of hypotheses to decide whether RBOT Time and TOST time are linearly related. (Use ? = 0.05.) Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to three decimal places.) t = P-value =The following table gives the number of parking tickets obtained in a semester and the GPAs of 77 randomly selected drivers. Number of Tickets 0 1 2 3 4 7 8 GPA 5.5 5 4.5 4 3 2 1.5 Copy Data Determine if r is statistically significant at the 0.010.01 level. Yes or no?