Final Exam Math 302 Amu Essay

2705 Words Feb 28th, 2012 11 Pages
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Final Exam_MATH302
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Part 1 of 1 - | Question 1 of 25 | 1.0 Points | |
A lawyer researched the average number of years served by 45 different justices on the Supreme Court. The average number of years served was 13.8 years with a standard deviation of 7.3 years. What is the 95% confidence interval estimate for the average number of years served by all Supreme Court justices? Place your limits, rounded to 1 decimal place, in the blanks. Place you lower limit in the first blank. Place your upper limit in the second blank. When entering your answer do not use any labels or symbols. Simply provide the numerical value. For example, 12.3 would be a
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At the .05 level of significance determine if the correlation between rental cost and apartment size is significant. | MATH302_Final.xls | 15 kb | | | A. No, there is not a statistically significant linear relationship between monthly rental cost and apartment size, because the sample correlation coefficient is less than .95. | | | | B. Yes, there is a statistically significant linear relationship between monthly rental cost and apartment size, because the p-value for this test is less than .0001. | | | | C. Yes, there is a statistically significant linear relationship between monthly rental cost and apartment size, because the t-test value, 7.74, is greater than the critical value 1.96. | | | | D. Yes, there is a statistically significant linear relationship between monthly rental cost and apartment size, because the sample correlation coefficient 0.85 exceeds 0.50. | |
Reset Selection | Question 8 of 25 | 1.0 Points | Data for a sample of 25 apartments in a particular neighborhood are provided in the worksheet Apartments in the Excel workbook MATH302_Final.xls. Using that data, find the estimated regression equation which can be used to estimate the monthly rent for apartments in this neighborhood using size as the predictor variable. | MATH302_Final.xls | 15 kb | | | A. 177.12 + 0.8500(size) | | | | B. 1.065 + 177.12(size)

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