Question

Kadence took a random sample of students at her school and asked them how much they typically slept on a school night versus a weekend night. She noticed a positive linear relationship between the times. Here is computer output from a least-squares regression analysis on her sample:

Regression: weekend vs school night

Predictor Coef SE Coef
Constant 3.182 2.319
School night 0.789 0.237
S= 1.75 R-Sq= 20.9%

Required:
What is an appropriate test statistic for testing the null hypothesis that the population slope in this setting is 000?

Answer 1

The answer is "3.329".

Explanation:

Please find the complete question in the attached file.

`\text{test statistic t} = (slope)/(standard \ error)`

`=(0.789)/(0.237)\\\\=3.329`