Two surfers and statistics students collected data on the number of days on which surfers surfed in the last month for 30 longboard (L) users and 30 shortboard (S) users. Treat these data as though they were from two independent random samples. Test the hypothesis that the mean days surfed for all longboarders is larger than the mean days surfed for all shortboarders (because longboards can go out in many different surfing conditions). Use a level of significance of 0.05. 4 6 9 4 7 4 4 6 8 7 7 8 10 8 6 10 7 4 10 7 13 9 12 5 11 10 15 7 12 4 15 15 12 11 11 11 11 11 19 11 18 10 15 13 10 11 17 12 18 14 21 16 9 9 23 22 22 22 21 10 Find the test statistic for this test. t= (Round to two decimal places as needed.) Find the p-value for this test. p= (Round to three decimal places as needed.) What is the conclusion for this test?
Two surfers and statistics students collected data on the number of days on which surfers surfed in the last month for 30 longboard (L) users and 30 shortboard (S) users. Treat these data as though they were from two independent random samples. Test the hypothesis that the mean days surfed for all longboarders is larger than the mean days surfed for all shortboarders (because longboards can go out in many different surfing conditions). Use a level of significance of 0.05. 4 6 9 4 7 4 4 6 8 7 7 8 10 8 6 10 7 4 10 7 13 9 12 5 11 10 15 7 12 4 15 15 12 11 11 11 11 11 19 11 18 10 15 13 10 11 17 12 18 14 21 16 9 9 23 22 22 22 21 10 Find the test statistic for this test. t= (Round to two decimal places as needed.) Find the p-value for this test. p= (Round to three decimal places as needed.) What is the conclusion for this test?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Two surfers and statistics students collected data on the number of days on which surfers surfed in the last month for 30 longboard (L) users and 30 shortboard (S) users. Treat these data as though they were from two independent random samples. Test the hypothesis that the mean days surfed for all longboarders is larger than the mean days surfed for all shortboarders (because longboards can go out in many different surfing conditions). Use a level of significance of 0.05.
4 | 6 |
9 | 4 |
7 | 4 |
4 | 6 |
8 | 7 |
7 | 8 |
10 | 8 |
6 | 10 |
7 | 4 |
10 | 7 |
13 | 9 |
12 | 5 |
11 | 10 |
15 | 7 |
12 | 4 |
15 | 15 |
12 | 11 |
11 | 11 |
11 | 11 |
19 | 11 |
18 | 10 |
15 | 13 |
10 | 11 |
17 | 12 |
18 | 14 |
21 | 16 |
9 | 9 |
23 | 22 |
22 | 22 |
21 | 10 |
Find the test statistic for this test. t= (Round to two decimal places as needed.)
Find the p-value for this test. p= (Round to three decimal places as needed.)
What is the conclusion for this test?
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