To help determine how many beers to stock, the concession manager at a baseball stadium wanted to know how the temperature affected beer sales. Accordingly, the manager took a sample of 10 games and recorded the number of beers sold and the temperature in the middle of the game.
Temperature 80 68 78 79 87 74 86 92 77 84
Number of beers 20,733 1,439 13,929 21,386 31,185 17,387 30,140 37,696 9,810 28,942
Predict with 90% confidence the number of beers to be sold when the temperature is 75 degrees. (Round your answers to the nearest integer.)
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