Question 20 2.5 pts A study finds that the correlation coefficient between the number of years of strength training and muscle mass is 0.73. This means that as the number of years of strength training increases muscle mass increases muscle mass decreases muscle mass changes 73% strength training and muscle mass are unrelated a person who strength trains can lift 73% of their weight D Question 10 2.5 pts A restaurant chain with four stores wants to determine which color of menu leads to higher sales. To test this, two of the stores used the cream color menu and the other two stores used the light blue color menu for a week and sales were measured. The statistical technique most appropriate for analyzing the data is: paired sample t-test. Spearman rank order correlation analysis ANOVA independent samples t-test. correlation analysis D Question 8 2.5 pts If the confidence level is 99%, the alpha is: 10 01 05 unknown D Question 7 2.5 pts Researchers failed to reject the null hypothesis when in fact they should have rejected it. When this situation happens has occurred type error typell error power of a test both bande no error has occurred D Question 6 2.5 pts When entering survey data into a computer, a researcher accidently typed a 7 instead of the 4 that the respondent had circled on the questionnaire. Assume that question was a five point Likert scale. Which of the following types of analysis can uncover this mistake? Analysis of variance Frequency analysis Correlation Regression None of the above can uncover this mistake Previous