tudy randomly assigned adult subjects to one of three exercise treatments: (1) a single long exercise period five days per week; (2) several ten-minute exercise periods five days per week; and (3) several ten-minute periods five s per week using a home treadmill. The study report contains the following summary statistics about weight loss (in kilograms) after six months of treatment: es the type of exercise treatments Jence weight loss significantly? Use a = 5%. eatment E periods tiple short periods Мean 13.8 Std. Dev.n 2.2 11.0 13.5 2.5 Itiple short periods with treadmill 3.2 Using a significance level of 0.05, what should you conclude? The population mean weight loss after six months is greatest with long periods and multiple short periods of exercise using treadmill. The population mean weight loss after six months is the same for all three exercise conditions. The population mean weight loss after six months is greatest with multiple short periods of exercise using a treadmill. The population mean weight loss after six months is not the same for the three exercise conditions.

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A study randomly assigned adult subjects to one of three exercise treatments: (1) a single long exercise period five days per week; (2) several ten-minute exercise periods five days per week; and (3) several ten-minute periods five
days per week using a home treadmill. The study report contains the following summary statistics about weight loss (in kilograms) after six months of treatment:
Does the type of exercise treatments
influence weight loss significantly? Use a = 5%.
Treatment
Long periods
Multiple short periods
Multiple short periods with treadmill
Mean Std. Dev. n
2.2
2.5
3.2
13.8
11.0
18
18
13.5
Using a significance level of 0.05, what should you conclude?
O The population mean weight loss after six months is greatest with long periods and multiple short periods of exercise using treadmill.
O The population mean weight loss after six months is the same for all three exercise conditions.
O The population mean weight loss after six months is greatest with multiple short periods of exercise using a treadmill.
O The population mean weight loss after six months is not the same for the three exercise conditions.
Transcribed Image Text:A study randomly assigned adult subjects to one of three exercise treatments: (1) a single long exercise period five days per week; (2) several ten-minute exercise periods five days per week; and (3) several ten-minute periods five days per week using a home treadmill. The study report contains the following summary statistics about weight loss (in kilograms) after six months of treatment: Does the type of exercise treatments influence weight loss significantly? Use a = 5%. Treatment Long periods Multiple short periods Multiple short periods with treadmill Mean Std. Dev. n 2.2 2.5 3.2 13.8 11.0 18 18 13.5 Using a significance level of 0.05, what should you conclude? O The population mean weight loss after six months is greatest with long periods and multiple short periods of exercise using treadmill. O The population mean weight loss after six months is the same for all three exercise conditions. O The population mean weight loss after six months is greatest with multiple short periods of exercise using a treadmill. O The population mean weight loss after six months is not the same for the three exercise conditions.
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