Question
Heart rate data for a random sample of males and females were obtained. The data are available in the accompanying table. Complete parts a and
Heart rate data for a random sample of males and females were obtained. The data are available in the accompanying table. Complete parts a and b below.
Male
| 70 |
| 71 |
| 74 |
| 80 |
| 73 |
| 75 |
| 82 |
| 64 |
| 69 |
| 70 |
| 68 |
| 78 |
| 70 |
| 75 |
| 74 |
| 69 |
| 73 |
| 77 |
| 58 |
| 73 |
| 65 |
| 74 |
| 72 |
| 78 |
| 71 |
| 87 |
| 84 |
| 73 |
| 67 |
| 66 |
| 64 |
| 71 |
| 72 |
| 86 |
| 68 |
| 70 |
| 82 |
| 84 |
| 68 |
| 71 |
| 77 |
| 78 |
| 83 |
| 66 |
| 70 |
| 82 |
| 73 |
| 78 |
| 78 |
| 81 |
| 78 |
| 80 |
| 75 |
| 79 |
| 81 |
| 71 |
| 83 |
| 63 |
| 70 |
| 75 |
Female
| 69 |
| 62 |
| 75 |
| 66 |
| 68 |
| 57 |
| 61 |
| 84 |
| 61 |
| 77 |
| 62 |
| 71 |
| 68 |
| 69 |
| 79 |
| 76 |
| 87 |
| 78 |
| 73 |
| 89 |
| 81 |
| 73 |
| 65 |
| 73 |
| 69 |
| 57 |
| 79 |
| 78 |
| 80 |
| 79 |
| 81 |
| 74 |
| 84 |
| 83 |
| 82 |
| 85 |
| 86 |
| 72 |
| 79 |
| 59 |
| 64 |
| 65 |
| 82 |
| 64 |
| 70 |
| 83 |
| 89 |
| 69 |
| 73 |
| 84 |
| 76 |
| 79 |
| 81 |
| 80 |
| 74 |
| 66 |
| 68 |
| 79 |
| 78 |
| 77 |
a. Find a 95% confidence interval for the difference between the mean heart rates of males and females (MaleFemale). Based on your confidence interval, is there a significant difference in the mean heart rates of females and males? Explain. The
95% confidence interval is (___,___).
b. Using a significance level of 0.05, test the hypothesis that the mean heart rates of males and females are significantly different.
Determine the hypothesis for this test
H0: UMale - uFemale ->
Ha: uMale - uFemale ->
Find the test statistic for this test. Round to two decimal places as needed.
T =
Find the p-value for this test. Round to three places as needed
p-value =
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Concepts In Practical Differential Equations
Authors: Sabita Mahanta
1st Edition
9353146488, 9789353146481
