609589
29.01.2020 •
Mathematics
The correlation coefficient r between the size of a lake in square miles, x, and the yearly number of registered boaters, y, is 0.7453. what percent of the variation in the number of yearly boaters can be explained by differences in lake sizes - ( a. 74.3% ) (b. 55.2%) (c. 44.8%) (d. 37.2%)
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Ответ:
Answer D
Step-by-step explanation:
Because you need to find a common denominator 6x2=12 8x2=16 so it 12/16