LuckyCharms988

28.06.2019 • 

Mathematics

Asample of 100 women is​ obtained, and their heights​ (in inches) and pulse rates​ (in beats per​ minute) are measured. the linear correlation coefficient is 0.239 and the equation of the regression line is y = 18.5 + 0.890x​, where x represents height. the mean of the 100 heights is 62.9 in and the mean of the 100 pulse rates is 73.4 beats per minute. find the best predicted pulse rate of a woman who is 65 in tall. use a significance level of α=0.01 the best predicted pulse rate of a woman who is 65 in tall per minute.. (round to two decimal places as​ needed.)

Ответ:

emilianacassandra

26.04.2023

Mathematics

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The answer is 2,

If the find the area of one side on the end (3.5 in ² )

You take 3.5 and dived 70 by that and get 20

70/3.5 = 10x

10x = 20

x = 2

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