A researcher gathers data on the length of essays (number of lines) and the SAT

Question

A researcher gathers data on the length of essays (number of lines) and the SAT scores received for a sample of students enrolled at his university Based on his interval for the slope of the regression equation is-0.88 to 1.34 At .05, which of the following statements is true? O A. The slope of the regression equation is not significantly different from zero O B. The relationship between length of essays and SAT scores is significant and negative O C. There is a statistically significant association between length of essays and SAT score OD. The slope of the regression equation is significantly different from zero

Explanation / Answer

Confidence interval for slope is ( -0.88 , 1.34 ).

This includes ZERO (0).

WE FAIL TO REJECT THE NULL HYPOTHESIS.

We accept null hypothesis.

There is not significant effect between SAT score and length of essay.

Answer - { A }

The slope of regression equation is not significantly different from ZERO.

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