subject
Mathematics, 26.08.2019 01:30 wwwcarolynzouowficz

Afootball coach gives half his players a protein bar to eat before each game; the other players do not receive the protein bar. after a month of games, he analyzes their playing stats. he concludes the protein bar improve their performance on the field. how can the coach test the means to be sure the results are not likely to happen by chance?
a. he can rerandomize the results by separating the two groups randomly, then calculate the means and the difference of the means.
b. he can pick players at random and analyze their playing stats without calculating means.
c. he can analyze the two groups by calculating the means and the difference of the means.
d. he can pick the players he wants to analyze based on the best stats.

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:00, krharris
Drag the tiles to the correct boxes to complete the pairs. match the cart-coordinates with their corresponding pairs of y-coordinates of the unit circle
Answers: 3
image
Mathematics, 21.06.2019 21:30, aidanfbussiness
Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll
Answers: 1
image
Mathematics, 22.06.2019 02:00, lexhoangg
Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.
Answers: 3
image
Mathematics, 22.06.2019 03:00, Peggy1621
Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same
Answers: 1
You know the right answer?
Afootball coach gives half his players a protein bar to eat before each game; the other players do...

Questions in other subjects: