A Paired Sample Study Has Been Conducted to Determine Whether

question 19

Multiple Choice

A paired sample study has been conducted to determine whether two populations have equal means. Twenty paired samples were obtained with the following sample results: Based on these sample data and a significance level of 0.05, what conclusion should be made about the population means?

• A) Because t = 5.06 > 2.0930, reject the null hypothesis.
• B) Because t = 3.41 > 2.0930, reject the null hypothesis.
• C) Because t = 1.82 < 2.0930, do not reject the null hypothesis.
• D) Because t = 2.02 < 2.0930, do not reject the null hypothesis.