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 14:30, GreenHerbz206
Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.
Answers: 3
Mathematics, 21.06.2019 17:20, tfyfejeje1739
The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6
Answers: 3
Mathematics, 21.06.2019 19:00, karellopez96
List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12
Answers: 1
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