Question

In: Statistics and Probability

The weights in ounces of sample running shoes for men and women are shown. Test the...

The weights in ounces of sample running shoes for men and women are shown. Test the claim that the means are different. Use the p-value method with a=0.05

men: 10.4, 11.1, 10.8, 11.7, 12.8, 12.6, 14.7, 12.9, 13.3, 14.5

women: 10.6, 9.6, 10.1, 9.4, 9.8, 10.2, 9.5, 11.2, 10.3, 10.3, 8.8, 9.5, 9.3, 9.5, 11.0

Solutions

Expert Solution


Related Solutions

The weights (in ounces) of 18 cookies are shown. 0.71    1.35    0.85    1.62   ...
The weights (in ounces) of 18 cookies are shown. 0.71    1.35    0.85    1.62    0.75    0.87    1.35    1.53    0.99    0.71    1.19    1.47    0.47    1.22    0.87    1.47    1.72    0.75 Find the IQR of the given sample data. Show the exact value, no rounding. Answer: 2. The amount spent on textbooks for the fall term was recorded for a sample of five hundred university students. The mean expenditure was calculated to be $500 and the median...
1. The weights in ounces of a sample of rats in a lab are given below....
1. The weights in ounces of a sample of rats in a lab are given below. 4, 4, 2, 5, 5, 3, 4, 7, 9, 5 a. Construct a frequency distribution using five classes. b. Construct a histogram for the above distribution. c. Find the Mean d. Find the Median & Mode e. Find the sample variance and standard deviation (5 points) 2. The probability that a part will malfunction is 0, 1, 2, 3, or 4 or more times...
The body mass index​ (BMI) for a sample of men and a sample of women are...
The body mass index​ (BMI) for a sample of men and a sample of women are given below. Assume the samples are simple random samples obtained from populations with normal distributions. Men 30.930.9 22.322.3 29.929.9 30.930.9 27.227.2 31.731.7 26.526.5 20.220.2 26.626.6 30.530.5 Women nbspWomen 18.218.2 20.720.7 22.222.2 28.428.4 17.117.1 20.320.3 23.923.9 31.831.8 20.820.8 20.720.7 LOADING... Click the icon to view the table of​ Chi-Square critical values. a. Construct aa 9090​% confidence interval estimate of the standard deviation of BMIs for...
The body mass index for a sample of men and a sample of women are given...
The body mass index for a sample of men and a sample of women are given below. assume the samples are simple random samples obtained form populations with normal distributions. Men: 24.9, 28.4, 23.2, 32.8, 25.3, 32.9, 28.1, 28.6, 32.9, 26.4 Women: 19.6, 23.7, 18.2, 34.5, 19.3, 24.3, 18.8, 33.8, 18.7, 24.1 A. construct a 90% confidence interval estimate of the standard deviation of BMIs for men _ < σmen < _ B. construct a 99% confidence interval estimate of...
A study was done on body temperatures of men and women. The results are shown in...
A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed​ populations, and do not assume that the population standard deviations are equal. Use a 0.05 significance level for both parts. (Women on right, won't let me label header.) Men μ μ1 μ2 n 11 59 x overbar 97.63°F 97.37°F s 0.95°F 0.74°F Test the claim that men have...
A study was done on body temperature of men and women. The results are shown in...
A study was done on body temperature of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal . Use a 0.05 significance level for both parts. Men: mean 1, n=11, x bar= 97.55 degree F, s= 0.87 degree F. Women: mean 2, n=59, x bar 97.44 degree F, s= 0.72 degree F (a)....
A study was done on body temperature of men and women. The results are shown in...
A study was done on body temperature of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal . Use a 0.05 significance level for both parts. Men: mean 1, n=11, x bar= 97.55 degree F, s= 0.87 degree F. Women: mean 2, n=59, x bar 97.44 degree F, s= 0.72 degree F (a)....
A study was done on body temperatures of men and women. The results are shown in...
A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed​ populations, and do not assume that the population standard deviations are equal. Complete parts​ (a) and​ (b) below. Use a 0.01 significance level for both parts. What are the null and alternative​ hypotheses? The test​ statistic, t, is ​(Round to two decimal places as​ needed.) The​ P-value is...
A study was done on body temperatures of men and women. The results are shown in...
A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed​ populations, and do not assume that the population standard deviations are equal. Complete parts​ (a) and​ (b) below. Use a 0.01 significance level for both parts. Men Women muμ μ1 μ2 n 11 59 x overbarx 97.59 °F 97.36 °F s 0.96 °F 0.72 °F a. Test the...
A study was done on body temperatures of men and women. The results are shown in...
A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed​ populations, and do not assume that the population standard deviations are equal. Find the t statistic, p-value, and conclusion on if we reject or fail to reject the null hypothesis. Men Women Mean Mean 1 Mean 2 N 11 59 x   97.52°F 97.46°F s   0.82°F 0.64°F a. Use...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT