Mathematics, 12.06.2020 03:57 poptropic7623
A football 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 helped 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? (3 points)
He can rerandomize the results by separating the two groups randomly, then calculate the means and the difference of the means.
He can pick players at random and analyze their playing stats without calculating means.
He can analyze the two groups by calculating the means and the difference of the means.
He can pick the players he wants to analyze based on the best stats.
Answers: 3
Mathematics, 21.06.2019 19:40, ashley24109
The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?
Answers: 2
Mathematics, 21.06.2019 21:00, wickedskatboarder
To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay
Answers: 1
Mathematics, 21.06.2019 23:00, annnoe5128abc
Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.
Answers: 1
Mathematics, 21.06.2019 23:30, jasminejohnson4330
The table shows the number of hours orlando spent at football practice last week. select the appropriate numbers below to complete the model to find the number of hours orlando spent practicing on tuesday and friday.
Answers: 2
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