Mathematics, 25.08.2019 02:30 aurorasweetpea610
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.
Answers: 2
Mathematics, 22.06.2019 03:20, lindselu
Which situation could best be represented by this linear equation? 24x + 38y = 520 > if x represents the number of bracelets and y represents the number of rings, there were 24 more bracelets sold than rings. the total sales were $520. if x represents the number of bracelets and y represents the number of rings, there were 38 more bracelets sold than rings. the total sales were $520. if x represents the number of bracelets sold at $24 each and y represents the number of rings sold at $38 each, the total sales were $520 if x represents the number of bracelets and y represents the number of rings, there were 520 bracelets and rings sold. bracelets were $24, and rings were $38. e
Answers: 1
Afootball coach gives half his players a protein bar to eat before each game; the other players do...
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