Question
1) Complete the following sentence. The coefficient of determination between the dependent variable, TEST SCORE, and the independent variable, HOURS SPENT STUDYING, equals 0.43. This
1)
Complete the following sentence. The coefficient of determination between the dependent variable, TEST SCORE, and the independent variable, HOURS SPENT STUDYING, equals 0.43. This means that:
a) variation in the variable, HOURS SPENT STUDYING, explains 43% of the variation in the variable, TEST SCORE. |
b) variation in the variable, TEST SCORE, explains 43% of the variation in the variable, HOURS SPENT STUDYING. |
c) The correlation between HOURS SPENT STUDYING and TEST SCORE equals 0.43. |
d) The correlation between HOURS SPENT STUDYING and TEST SCORE equals 0.57. |
2)In a simple linear regression if sum of square due to regression is 7,473.47 and total sum of squares is 9,828.16, then coefficient of determination is?
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