Read and analyze the result above using the Simple Linear Regression. Question: Is the math aptitude score a significant predictor of Statistics grade? Why? A. Yes. Because the p-value of 0.19 is less than 0.05. B. Yes. Because the p-value of 0.19 is more than 0.05. C. No. Because the p-value of 0.19 is less than 0.05. D. No. Because the p-value of 0.19 is more than 0.05.
Q: Table 3.2 lists the total philanthropic givings (in million dollars) by six companies during 2007.…
A:
Q: Following are the 2009 earnings (in thousands of dollars) before taxes for all six employer of a…
A:
Q: S The age of professional racecar drivers is normally distributed with a mean of 28 and a standard…
A:
Q: Question: What is the equation of the linear regression?
A: here given , summary Output of Regression Analysis y - Intercept = 26.78082192 Coefficient of…
Q: tudies if age correlates with the average number of hours of sleep, so she selected a random sample…
A: Given: sample size(n)=10 Age(x) Hours of sleep(y) xy x^2 y^2 8 8 64 64 64 15 8 120 225…
Q: In a survey, 17 people were asked how much they spent on their child's last birthday gift. The…
A: Given data isMean(x)=47standard deviation(s)=9sample size(n)=17confidence interval=98%
Q: Compute the standard error for the sample mean from a SRS of 24 observations with sample standard…
A:
Q: You need to have a passwork with 6 letters followed by 2 odd digits between 0 and 9 inclusive. If…
A: The answer is attached below,
Q: Eight students were given a pretest to measure their public speaking anxiety. They completed a…
A: The following information has been given: Pre test post test 23…
Q: Suppose you are testing Hoμ = 94 against Ha: μ< 94. From an SRS of 68 individuals, you compute X =…
A:
Q: To estimate a population mean with a confidence interval, a researcher must estimate a range of…
A: Given data To estimate a population mean with a confidence interval a researcher must estimate a…
Q: A. Compute the margin of error for each of the following cases. Assumes that the population is…
A: 1)Givensample size(n)=400population standard deviation(σ)=58confidence level = 955
Q: item test. The standard deviation of the eviation of the sample is 10. Construct a 95% confidence…
A: Given data,No of students n=22The mean is x=60The sample sd is s=10Construct a 95% CI?
Q: In January 2001, 7000 men aged 45–54 years joined a new health insurance plan and were offered a…
A:
Q: Test the claim that the proportion of people who are confident is larger than 60% at the 0.01…
A: here given , A well-known brokerage firm executive claimed that 60% of investors are currently…
Q: 2. For the following information on a data set: Measurement Class .00- .75 .75-1.50 1.50-2.25…
A: Given data set is Measurement class Relative freq. 0.00-0.75 0.02 0.75-1.50 0.01 1.50-2.25…
Q: Microprocessing, a computer firm specializing in software engineering, has compiled the following…
A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In case…
Q: The following table gives the 2008 market values (rounded to billions of dollars) of five…
A:
Q: ould someone help me solve this with the numbers I have please
A: The correlation coefficient is -0.2234.
Q: Twenty-one students were asked at random how much they spent for classroom textbooks this semester.…
A: Given,margin of error(E)=7standard deviation(s)=28.70α=1-0.90=0.1α2=0.05Z0.05=1.645 (from…
Q: A random sample of 46 adult coyotes in a region of northern Minnesota showed the average age to be x…
A: "Since you have posted a question with multiple sub-parts, we'll solve the first three sub-parts for…
Q: For the given data set, find the: a) mean b) median c) mode
A: Given information: 27,57,34,62,27,54,27,41,43,41. a) Mean: Mean=sum of valuesNumber of values…
Q: According to a 2009 Reader's Digest article, people throw away about 13% of what they buy at the…
A: Given that n =193,P=0.13 Find P ( p^ < 0.08 ) = ?
Q: 16% 12% 8% 4% 0 10 Histogram of Final Exam Scores 20 30 40 60 70 50 Scores An "A" for the test is…
A: After decoding the histogram data Histogram for final exam scores Scores (x) Percentage (%) 0…
Q: Given a P-value between 0.01 and 0.05, what conclusion should you draw at the 1% level significance?…
A: Given P-value between 0.01 and 0.05 l.o.s.=α=0.01
Q: A local restaurant employs Pete at the only operating counter. Pete takes on average 5 minutes to…
A: Given: Arrival rate λ = 2 customers per 15 minutes. λ = 8 customers per hour. Service time = 5…
Q: Let S (x, y) = 4(x + y) 5x³ pdf with 14-16 then the value of A which make this probability true is…
A:
Q: Which of the following hypotheses will require a two-tailed test? Women are more concerned with the…
A: Sol:- Two tailed test Hypothesis can be modeled as :-H0: μ = μ0Ha: μ ≠ μ0 Correct choice :-
Q: Find the point estimate for the proportion of licensure exams for nurses when a sample of 600 exam…
A: Given data: Success probability, x = 120 Sample size, n = 600
Q: A diode detector is used to measure the radio frequency power, expressed dBm. The average power in a…
A: Given: Sample size n = 500 Sample mean X = 4.44 Sample variance s2 = 0.00219 Confidence level = 97%…
Q: For a chi-square goodness-of-fit test for the one-way table, which of the following is a valid null…
A: Know that Null and alternative hypothesis is denoted by H0 and H1.
Q: According to a study of political prisoners, the mean duration of imprisonment for 32 prisoners with…
A: Given that Mean duration of the 32 prisoners with chronic post traumatic stress (PTSD) was 30.6…
Q: Every year, at the Academy awards ceremony, a Best Actress and Best Actor awards are given. Below…
A: The following information has been given: Best Actress Best Actor 28 62 63 52 29 41 41 39…
Q: 2. For the following information on a data set: Measurement Class .00- .75 .75-1.50 1.50-2.25…
A:
Q: To construct a confidence interval for the difference between two popul 0²77 0²2/2 1 + (x₁-x₂) -Zc +…
A: For the given data Find 95% Confidence interval for μ1-μ2
Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 67…
A: Given data: Mean = 67 Standard deviation = 15
Q: Out of 500 people sampled, 170 had kids. Based on this, construct a 99% confidence interval for the…
A:
Q: c. Find the marginal d. Find the marginal density g(x). density h(y).
A: here given joint distribution of x and y f(x,y) = 1.5 (x2 + y2) , 0≤x, y ≤10…
Q: Suppose that you are working for a chain restaurant and wish to design a promotion to disabuse the…
A:
Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 78…
A: Note: According to our guidelines we can answer only three subparts and rest can be repost.
Q: Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…
A: Given f(x,y) y 1 2 3 Total x 1 0.10 0.05 0.02 0.17 2 0.10 0.35 0.05 0.50 3 0.03 0.10 0.20…
Q: A cafe´ serves four types of bread roll, and each roll contains one of four fillings. The…
A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…
Q: Determine the type of direction of correlation that you would expect of the given case / situation.…
A: Positive correlation means Both variables moves in Same direction. While Negative Correlation means…
Q: 6. A discrete random variable can assume 5 possible values, as listed in the accompanying…
A:
Q: ance below the mean is ance above the mean is points. points. ge box (square symbols) that…
A: Here n=6 Sample mean = 8 sum of all sample points = 6*8 = 48
Q: A class of eleven people received the test scores shown below, sorted by score. 32 51 69 73 74 75 82…
A: Given data set is 32,51,69,73,74,75,82,89,93,98,100 n=No. of observation=11
Q: When people smoke, the nicotine they absorb is converted to cotinine, which can be measured. A…
A:
Q: The following table shows the number of active military personnel in 2009, by region (including the…
A: Given Information: Pacific 229,634 Mountain 89,816 West South Central 177,336 West…
Q: e. Find the critical value for 99% confidence level based on your computed sample size.
A: Given: Sample size n=20 Confidence level 99%
Q: Based on historical data, your manager believes that 27% of the company's orders come from…
A:
Step by step
Solved in 2 steps with 1 images
- 8 The sales of 14 store branches and display area(in square feet) were obtained. The objective is to predict sales in terms of area of dispslay. Data were encoded into MS Excel. Output is shown below. REGRESSION STATISTICS Multiple R 0.954 R Square 0.910 Adjusted R square 0.902 Standard Error 936.85 Observations 14 Coefficients Standard t stat Error Intercept 901.25 513.02 1.76 Size 1.69 0.15 11.00 Question: Predict the sales if the display area utilized for a month is 3,000 square feet. Group of answer choices A. P5,971.25 B. P33,001.76 C. P2,703,751.698 The sales of 14 store branches and display area(in square feet) were obtained. The objective is to predict sales in terms of area of dispslay. Data were encoded into MS Excel. Output is shown below. REGRESSION STATISTICS Multiple R 0.954 R Square 0.910 Adjusted R square 0.902 Standard Error 936.85 Observations 14 Coefficients Standard t stat Error Intercept 901.25 513.02 1.76 Size 1.69 0.15 11.0 Predict the sales if the display area utilized for a month is 3,000 square feet. Group of answer choices A.P5,971.25 B. P33,001.76 C. P2,703,751.690.6.3 Question 3 Is the cubic effect significant? How about quadratic and linear effects? Analysis of Variance Table Response: EX Df Sum Sq Mean Sq F value Pr(>F) MET 1 332 332 0.1246 0.7257742 I(MET^2) 1 37504 37504 14.0572 0.0005141 *** I(MET^3) 1 7245 7245 2.7154 0.1065086 Residuals 44 117390 2668 > anova(quadModel) Analysis of Variance Table Response: EX Df Sum Sq Mean Sq F value Pr(>F) MET 1 332 332 0.120 0.7306134 I(MET^2) 1 37504 37504 13.541 0.0006216 *** Residuals 45 124635 2770 --- Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
- Lyme disease is an inflammatory disease that results in a skin rash and flulike symptoms. It is transmitted through the bite of an infected deer tick. The following data represent the number of reported cases of Lyme disease and the number of drowning deaths for a rural county. Cases_of_Lyme_Disease Drowning_Deaths Month3 0 J2 1 F2 2 M4 1 A5 3 M15 9 J22 17 J13 5 A6 3…A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression ANOVA shows the following results:ANOVA df SS MS F Significance F Regression 1.00 13,555.42 13,555.42 156.38 0.00 Residual 8.00 693.48 86.88 Total 9.00 14,248.90 What is the value of the standard error of estimate? Multiple Choice 9.321 8.789 8.339 86.889. This small dataset reports the Average Class Size, Combined SAT score, and the pct of the class that Attends 4 Year Colleges. Estimate a regression to answer the following. Each additional student's increase in avg class size is associated with a _____________ increase in SAT scores. Round your answer to two decimal places. District AverageClass Size CombinedSAT Score % Attend4-Year College Blue Springs, MO 25 1083 74 Garden City, NY 18 997 77 Indianapolis, IN 30 716 40 Newport Beach, CA 26 977 51 Novi, MI 20 980 53 Piedmont, CA 28 1042 75 Pittsburg, PA 21 983 66 Scarsdale, NY 20 1110 87 Wayne, PA 22 1040 85 Weston, MA 21 1031 89 Farmingdale, NY 22 947 81 Mamaroneck, NY 20 1000 69 Mayfield, OH 24 1003 48 Morristown, NJ 22 972 64 New Rochellle, NY 23 1039 55 Newtown Square, PA 17 963 79 Omaha, NE 23 1059 81 Shaker Heights, OH 23 940 82
- The following results are from data concerning the amount withdrawn from an ATM machine based on the amount of time spent at the ATM machine (SECONDS) and the gender, FEMALE (dummy variable = 1 for females and = 0 for males) and an interaction term, SECONDS*FEMALE SUMMARY OUTPUT Regression Statistics Multiple R 0.503 R Square Adjusted R Square Standard Error Observations 50 ANOVA df SS MS F Significance F Regression 2728.7 5.19 0.004 Residual 24161.8 525.3 Total 32348 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 134.1 23.51 5.89 0 91.03 185.67 Seconds -1.9…The following results are from data concerning the amount withdrawn from an ATM machine based on the amount of time spent at the ATM machine (SECONDS) and the gender, FEMALE (dummy variable = 1 for females and = 0 for males) and an interaction term, SECONDS*FEMALE SUMMARY OUTPUT Regression Statistics Multiple R 0.503 R Square Adjusted R Square Standard Error Observations 50 ANOVA df SS MS F Significance F Regression 2728.7 5.19 0.004 Residual 24161.8 525.3 Total 32348 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 138.35 23.51 5.89 0 91.03 185.67 Seconds…The following results are from data concerning the amount withdrawn from an ATM machine based on the amount of time spent at the ATM machine (SECONDS) and the gender, FEMALE (dummy variable = 1 for females and = 0 for males) and an interaction term, SECONDS*FEMALE SUMMARY OUTPUT Regression Statistics Multiple R 0.503 R Square Adjusted R Square Standard Error Observations 50 ANOVA df SS MS F Significance F Regression 2728.7 5.19 0.004 Residual 24161.8 525.3 Total 32348 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 130.5 23.51 5.89 0…
- The following results are from data concerning the amount withdrawn from an ATM machine based on the amount of time spent at the ATM machine (SECONDS) and the gender, FEMALE (dummy variable = 1 for females and = 0 for males) and an interaction term, SECONDS*FEMALE SUMMARY OUTPUT Regression Statistics Multiple R 0.503 R Square Adjusted R Square Standard Error Observations 50 ANOVA df SS MS F Significance F Regression 2728.7 5.19 0.004 Residual 24161.8 525.3 Total 32348 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 130.9 23.51 5.89 0 91.03 185.67 Seconds -2.07…The following results are from data concerning the amount withdrawn from an ATM machine based on the amount of time spent at the ATM machine (SECONDS) and the gender, FEMALE (dummy variable = 1 for females and = 0 for males) and an interaction term, SECONDS*FEMALE SUMMARY OUTPUT Regression Statistics Multiple R 0.503 R Square Adjusted R Square Standard Error Observations 50 ANOVA df SS MS F Significance F Regression 2728.7 5.19 0.004 Residual 24161.8 525.3 Total 32348 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 134.4 23.51 5.89 0 91.03 185.67 Seconds…The following results are from data concerning the amount withdrawn from an ATM machine based on the amount of time spent at the ATM machine (SECONDS) and the gender, FEMALE (dummy variable = 1 for females and = 0 for males) and an interaction term, SECONDS*FEMALE SUMMARY OUTPUT Regression Statistics Multiple R 0.503 R Square Adjusted R Square Standard Error Observations 50 ANOVA df SS MS F Significance F Regression 2728.7 5.19 0.004 Residual 24161.8 525.3 Total 32348 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 137.6 23.51 5.89 0 91.03 185.67 Seconds -1.9…