34. Find mode from the following data Monthly 1000-1500-2000-2500-3000-3500-4000-4500- salary: 1500 2000 2500 3000 3500 4000 4500 5000 No. of employees: 3 8 16 25 18 75 2

Q: A health researcher computed 90%, 95%, 98%, and 99% confidence intervals for the proportion of…

A: Since we know that as the level of confidence increases the width of confidence interval increases.…

Q: 6. A manufacturer of cotter pins knows that 5 percent of his product is defective. If he sells pins…

A:

Q: Researchers wondered if there was a difference between males and females in regard to some common…

A: Given Data n1 = 522 x1 = 202 n2 = 505 x2 = 171

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Q: The piston diameter of a certain hand pump is 0.4 inch The manager determines that the diameters are…

A: Given Population standard deviations=0.05 Sample size n=28 Sample standard deviations=0.0043…

Q: A survey asked, "How many tattoos do you currently have on your body?" Of the 1233 males surveyed,…

A: Given X1=183, n1=1233, X2=139, n2=1042

Q: Solve and sketch the problem.  The length of time consumed in waiting for Angkas driver is normally…

A:

Q: A company, which makes battery-operated cars, claims that its products have a mean life span of 6…

A: Solution-: Given: μ0=6,σ=3,x¯=4,n=40,α=0.06 Test if the sample is a representation of the population…

Q: 32. From the following table, you find mode. 43 46 49 52 55 58 Size Frequency 6 13 25 33 29 14 PHO…

A: From the given table we find the mode.

Q: Status: D. Line Graph M. Scatterplot A Area Chart N. Histogram ✓ Bar Chart E. Pyramid Graph Box and…

A: Since, we only do up to three subparts of a problem, we'll be doing the first three subparts only.…

Q: 2. Is there a relationship between the number of years of education respondents have attained and…

A:

Q: Part III. Compute the mean, variance, and standard deviation of the following word problems. Show…

A: Given the daily wages (in hundreds) of 6 different workers, 5.4, 6, 8, 9, 10, 15. A samples of size…

Q: In a survey of a random sample of 49 college students, the sample mean time per week spent watching…

A: We have given that,  Sample mean (x̄) = 21, sample size (n)= 49, and standard deviation (s) = 8.2…

Q: The manager of IT department at a large government agency is investigating the relationship between…

A: Solution: The estimated regression equation is  y^= 110+ 20 x

Q: In a quantitative analysis where widowed people suffering with bereavement suffer with a poor…

A: Solution: Given that in a quantitative analysis where widowed people suffering with bereavement…

Q: Q17 Which value of the following values of r indicates the strongest correlation? 0.4 0 -0.65…

A: Correlation coefficients:- The correlation coefficients measures the direction & strength of a…

Q: In a recent poll of 745 randomly selected adults, 587 said that it is morally wrong to not report…

A: We have given thatn = 745x = 587p̂ = x/n = 587/745 = 0.7879p = 0.75α = 0.05

Q: The local coffee shop keeps track of how much coffee they sell versus the temperature on that day,…

A: We have given the following data.

Q: Q24 Shamma computed a confidence interval for the mean pH level of bottled water in UAE based on a…

A:

Q: Assume that the two samples are independent simple random samples selected from normally distributed…

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Q: 2 W Use the accompanying radiation levels in for 50 different cell phones. Find the ka percentile…

A:

Q: A survey asked, "How many tattoos do you currently have on your body?" Of the 1233 males surveyed,…

A: We have given that, For the males:- X1 = 183 and n1 = 1233 For the females :- X2 = 139 and n2 = 1042…

Q: [B] If the population is finite in which sampling is without. replacement, then: p = [P₂ N-n N-I N:…

A: Given that

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Q: 7636 The melting point of each of 16 samples of a certain brand of hydrogenated vegetable oil was…

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Q: A maintenance firm has gathered the following information regarding the failure mechanism for 100…

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Q: The student council is hosting a drawing to raise money for scholarships. They are selling tickets…

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Q: 14. Letters were received in an office on each of 100 days. Assuming the following data to form a…

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Q: Let p be the population proportion of correct polygraph results. Identify the null and alternative…

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Q: 3 000 Lenny is a manager at Sparkles Car Wash. The owner of the franchise asks Lenny to calculate…

A: 13) Not include the day that the car wash was left running since that is probably an outlier.

Q: af error of u is o decimal places as needed.) lence interval using the standard normal distribution…

A: Given n=8 Standard deviations=8.8

Q: A popular theory is that presidential candidates have an advantage if they are taller than their…

A:

Q: The following is a set of data from a sample of n = 7. 4 8 16 3 1 16 20 (a) Compute the first…

A: Arranging the number is ascending order we get 1 3 4 8 16 16 20 The first quartile Q1 is 3 , The…

Q: The quality-control manager at a compact fluorescent light bulb (CFL) factory needs determine…

A: Given : sample size, n =49 sample mean, x̄ =7297 population standard deviation,σ=840…

Q: Researchers wondered if there was a difference between males and females in regard to some common…

A: Given: 1): No of males n1=505  No of favorable case x1=171 respond yes  2): No of females n2= 522…

Q: creat a sample distribution for the sample mean from the following population if we take sample…

A: The mean and standard deviation of the population is, μ=∑xN  =40+45+50+55+605  =50σ=∑x-x2n…

Q: Assume that the two samples are independent simple random samples selected from normally distributed…

A: Here we've to test that if there is a statistical significant difference between means.  So H0:…

Q: Construct the indicated confidence interval for the population mean μ using the t-distribution.…

A: From the provided information, Sample size (n) = 5 Sample mean (x̄) = 12.5 Standard deviation (s) =…

Q: Which of the following variables are nominal:

A: Variables are classified into types depending on the various levels of measurement.

Q: In a certain barangay, Peter Jhon wants to estimate the mean weight u, in kilograms, of all…

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Q: Video The average return for large-cap domestic stock funds over the three years 2009-2011 was…

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Q: REGRESSION ANALYSIS: DETECTION, EFFECTS AND REMEDIAL MEASURES OF DEPARTURES ON ASSUMPTIONS OF…

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Q: Private nonprofit four-year colleges charge, on average, $26,996 per year in tuition and fees. The…

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Q: Mean Square ISR = 16058.9

A: *Answer:

Q: A health researcher computed 90%, 95%, 98%, and 99% confidence intervals for the proportion of…

A: Given that a health researcher computed 90%, 95%, 98%, and 99% confidence intervals for the…

Q: Cite five (5) research questions used in real life and formulate your null and alternative…

A: 1) H0: No more than 30% of the registered voters in Santa Clara County voted in the primary…

Q: Fifteen adult males between the ages of 35 and 50 participated in a study to evaluate the effect of…

A:

Q: 2. If the population is infinite or the population is finite in which sampling is with replacement,…

A: Given that If the population is infinite or finite in which the sampling is with replacement then…

Q: Suppose that n = 100 i.i.d. observations for (Y, X) yield the following regression results: Ŷ 32.1 +…

A:

Q: A large fast-food restaurant is having a promotional game where game pieces can be found on various…

A: It is given that n = 31 and p = 0.169.