Rank Men Times Rank Women Times 1 27.09 1 29.29 2 27.09 2 29.54 3 27.11 3
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Rank | Men Times | Rank | Women Times |
1 | 27.09 | 1 | 29.29 |
2 | 27.09 | 2 | 29.54 |
3 | 27.11 | 3 | 29.71 |
4 | 27.11 | 4 | 29.89 |
5 | 27.15 | 5 | 30.13 |
6 | 27.17 | 6 | 30.22 |
7 | 27.38 | 7 | 30.44 |
8 | 27.40 | 8 | 30.45 |
9 | 27.51 | 9 | 31.24 |
10 | 27.53 | 10 | 31.25 |
11 | 27.53 | 11 | 31.45 |
12 | 27.56 | 12 | 31.47 |
13 | 27.59 | 13 | 31.48 |
14 | 27.59 | 14 | 31.54 |
15 | 27.61 | 15 | 31.56 |
16 | 27.86 | 16 | 31.60 |
17 | 27.87 | 17 | 31.60 |
18 | 27.91 | 18 | 31.61 |
19 | 27.97 | 19 | 31.62 |
20 | 28.03 | 20 | 31.74 |
21 | 28.03 | 21 | 31.86 |
22 | 28.06 | 22 | 31.89 |
23 | 28.08 | 23 | 31.95 |
24 | 28.27 | 24 | 31.96 |
25 | 28.32 | 25 | 32.07 |
26 | 28.34 | 26 | 32.10 |
27 | 28.55 | 27 | 32.13 |
28 | 28.77 | 28 | 32.15 |
29 | 28.92 | 29 | 32.16 |
30 | 29.04 | 30 | 32.20 |
31 | 29.25 | 31 | 32.64 |
32 | 29.55 | 32 | 32.65 |
33 | 32.66 | ||
34 | 33.07 | ||
35 | 35.55 |
Transcribed Image Text:
In 10000 meter race, runners complete over 25 laps or a 400 meter track. It is the longest track running event held. The men's 10000 meter began at the 1912 Olympics. It was 1988 (over seventy years later) before the women's 10000 meter was added to Olympic competition. The official world records in the 10,000 meters are held by Kenenisa Bekele with 26:17.53 minutes for men and Almaz Ayana from Ethiopia with 29:17.45 minutes for women. In this project, we are going to take a look at the 2016 Rio Olympics men and women 10000 meter competition. All the times for the participant's times are given to you in minutes. You should leave the times in minutes and round to the nearest thousandth when needed. If the runner did not finish, do not use their data. 1. Use the samples to find the mean completion time of the for the a. male runners. = 21.91 b. female runners. 31.57 2. Use the samples to find the sample standard deviation of the completion times for the a. male runners. o 664 b. female runners. 161 3. Find a point estimate for the mean completion time of the a. male runners. 21.91 b. female runners. 31.5 1 4. Construct a 95% confidence interval for the population mean completion time of the a. male runners. 27.67, 28.15 b. female runners. 31.55, 31.91 5. Interpret the results of number 4. 6. Use the samples to construct a 95% confidence interval for the population mean completion time of all runners. How do your results differ from those in number 4? Explain. 7. A trainer wants to estimate the population mean completion times for both male and female runners within 1/4 minute (0.25 minute). Determine the minimum sample size required to construct a 99% confidence interval for the population mean completion times of a. male runners. Assume the population standard deviation is 0.64 minutes. b. female runners. Assume the population standard deviation is 1.12 minutes. 8. Based on the 95% confidence intervals found in number 4, do you think that the men's mean completion time and the women's mean completion time could be the same? Explain why you believe that. 9. Using the values that you found in numbers 1 and 2, perform the following hypothesis test. At a 10% significance level, test the claim that the women's mean completion time is greater (the men's mean completion time). than In 10000 meter race, runners complete over 25 laps or a 400 meter track. It is the longest track running event held. The men's 10000 meter began at the 1912 Olympics. It was 1988 (over seventy years later) before the women's 10000 meter was added to Olympic competition. The official world records in the 10,000 meters are held by Kenenisa Bekele with 26:17.53 minutes for men and Almaz Ayana from Ethiopia with 29:17.45 minutes for women. In this project, we are going to take a look at the 2016 Rio Olympics men and women 10000 meter competition. All the times for the participant's times are given to you in minutes. You should leave the times in minutes and round to the nearest thousandth when needed. If the runner did not finish, do not use their data. 1. Use the samples to find the mean completion time of the for the a. male runners. = 21.91 b. female runners. 31.57 2. Use the samples to find the sample standard deviation of the completion times for the a. male runners. o 664 b. female runners. 161 3. Find a point estimate for the mean completion time of the a. male runners. 21.91 b. female runners. 31.5 1 4. Construct a 95% confidence interval for the population mean completion time of the a. male runners. 27.67, 28.15 b. female runners. 31.55, 31.91 5. Interpret the results of number 4. 6. Use the samples to construct a 95% confidence interval for the population mean completion time of all runners. How do your results differ from those in number 4? Explain. 7. A trainer wants to estimate the population mean completion times for both male and female runners within 1/4 minute (0.25 minute). Determine the minimum sample size required to construct a 99% confidence interval for the population mean completion times of a. male runners. Assume the population standard deviation is 0.64 minutes. b. female runners. Assume the population standard deviation is 1.12 minutes. 8. Based on the 95% confidence intervals found in number 4, do you think that the men's mean completion time and the women's mean completion time could be the same? Explain why you believe that. 9. Using the values that you found in numbers 1 and 2, perform the following hypothesis test. At a 10% significance level, test the claim that the women's mean completion time is greater (the men's mean completion time). than
Expert Answer:
Answer rating: 100% (QA)
Answer 1 The mean completion time for male runners in the 2016 Rio Olympics was 2191 minutes This was calculated by adding up the times of all the runners that completed the race and dividing by the n... View the full answer
Related Book For
College Algebra Graphs and Models
ISBN: 978-0321845405
5th edition
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
Posted Date:
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