Thirty-minute workouts of one of the following will lead to burning the following calories. You wish to test to see if there is a difference in the amount of calories burned from these three activities.
Swimming | Tennis | Cycling |
408 | 415 | 385 |
380 | 485 | 250 |
425 | 450 | 380 |
400 | 420 | 402 |
427 | 530 | 268 |
Find the sum of the ranks
Swimming = 41, Tennis = 61, Cycling = 18 |
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Swimming = 40.5, Tennis = 61, Cycling = 18.5 |
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Swimming = 41.5, Tennis = 61, Cycling = 18.5 |
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Swimming = 41, Tennis = 60 , Cycling = 18 |
Thirty-minute workouts of one of the following will lead to burning the following calories. You wish to test to see if there is a difference in the amount of calories burned from these three activities.
Swimming | Tennis | Cycling |
408 | 415 | 385 |
380 | 485 | 250 |
425 | 450 | 380 |
400 | 420 | 402 |
427 | 530 | 268 |
Find the value of the test statistic
H= 9.04 |
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H = 9.26 |
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H = 9.08 |
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H = 9.28 |
Thirty-minute workouts of one of the following will lead to burning the following calories. You wish to test to see if there is a difference in the amount of calories burned from these three activities.
Swimming | Tennis | Cycling |
408 | 415 | 385 |
380 | 485 | 250 |
425 | 450 | 380 |
400 | 420 | 402 |
427 | 530 | 268 |
What is the p-value and your conclusion?
p value = 0.0098 and conclude reject the null the three activities are not identical and cycling tends to have the lowest calories. |
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p value = 0.0109 and conclude reject the null the three activities are not identical and cycling tends to have the lowest calories. |
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p value = 0.0109 and conclude reject the null the three activities are not identical and swimming tends to have the lowest calories. |
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p value = 0.0098 and conclude fail to reject the null the three activities are identical and tennis tends to have the lowest calories. |
The statistical software output for this problem is:
Hence,
Answer - 1: Sum of ranks:
Swimming = 8.1*5 = 40.5
Tennis = 12.2*5 = 61
Cycling = 3.7*5 = 18.5
Option B is correct.
Answer - 2: H = 9.04
Option A is correct.
Answer - 3: p value = 0.0109 and conclude reject the null the three activities are not identical and cycling tends to have the lowest calories. Option B is correct.
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