L Two Means: mples K Question 6, 9.2.10-T Part 3 of 6 7 HW Score: 59.31%, 7.12 of 12 points Points: 0.13 of 1 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. A. Ho H1 H2 H: > OC. Ho: 2 H P1 P2 OB. Ho: H1 H2 H: 65 e solve this lave a d a distr Ion that is approximately normal. Use a significance level of 0.10 to weights of discarded plastic (in po diff More Info Household Paper Plastic 1 11.42 12.81 2 6.33 3.86 Ide 10 t= 11 12 1345678RDINES Hd=0 6.44 8.40 7.57 5.92 Hd HW Score: 65%, 6.5 of 10 points lp Points: 0.5 of 1 Save Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same month. Use a 0.05 significance level to test the claim that when the 13th day of a month falls on a Friday, the numbers of hospital admissions from motor vehicle crashes are not affected. Friday the 6th: 9 6 10 10 Friday the 13th: 14 13 13 9 35 5 13 Let d be the Hd mean of the differences crashes for the population of all pairs of data. Ho Hd = 0 H: Pd # 0 Find the value of the test statistic. in the numbers of hospital admissions resulting from motor vehicle t = (Round to three decimal places as needed.) e this Get more help - Clear all Check answer Dependent Pairs) < Question 2, 9.3.10-T Part 2 of 4 HW Score: 65%, 6.5 of 10 points Points: 0.17 of 1 Save K Listed below are systolic blood pressure measurements (mm Hg) taken from the right and left arms of the same woman. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Use a 0.10 significance level to test for a difference between the measurements from the two arms. What can be concluded? Right arm 150 144 136 129 129 Left arm 176 164 187 139 143 A. Ho Hd=0 H: #0 OC. Ho Hd = 0 H = d 0 OD. Ho Hd 20 H : = 0 + Clear all Check answer 2 Two Means: Samples < Question 8, 9.2.12-T Part 3 of 6 K 7 HW Score: 59.31%, 7.12 of 12 points Points: 0.25 of 1 Save Listed in the data table are IQ scores for a random sample of subjects with medium lead levels in their blood. Also listed are statistics from a study done of IQ scores for a random sample of subjects with high lead levels. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Click the icon to view the data table of IQ scores. OA. Ho: H1 H2 H: > H2 C. Ho: H H2 H>H B. Ho H1 H2 H:412 = D. Ho H1 H2 H: H1 H2 The test statistic is 0.37. (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.) solve this Get more help - mentary Statistics, 13e ducation Inc. All Rights Reserved. Clear all Check answer T 36F Cloudy P C 9-3 Two Dependent Matched Pairs) < Question 7, 9.3.21-T Part 2 of 4 7 K HW Score: 65%, 6.5 of 10 points Points: 0.17 of 1 Save Refer to the data set in the accompanying table. Assume that the paired sample data is a simple random sample and the differences have a distribution that is approximately normal. Use a significance level of 0.10 to test for a difference between the weights of discarded paper (in pounds) and weights of discarded plastic (in pounds). Click the icon to view the data. A. Ho Hd=0 H Hd #0 C. Ho Hd 20 H: Ha>0 Identify the test statistic. t = (Round to two decimal places as needed.) elp me solve this Get more help - OB. Ho Hd=0 H Hd