Week 5 questions QR

For each of the research questions, identify the method of analysis to best answer the question. This is a review of t-tests, ANOVAs, correlation and regression.

For example: Is there a significant difference between student GPAs and lunch preference for a peanut butter and jelly sandwich or cheese sandwich?

• IV= type of sandwich (PB&J or cheese)
• DV= GPA
• Best method of analysis= Independent Sample T-Test

What are the effects of degree (BA, MBA, DBA) and years of experience at 1, 5, and 10 years on salary?

• Two-way between subjects ANOVA
• One-way between subjects ANOVA
• Two-way within subjects ANOVA
• Repeated measures ANOVA

Question# 2: Question 2

Is there a relationship between age and hours of sleep?

• Correlation
• Regression
• One-sample t-test
• Two-way ANOVA

Question 3

Is there a difference in the amount of movie tickets sold to people for the new release film “Groundhogs” who are under age 18, between 19-24 or 25-30?

• One-way between subjects ANOVA
• Independent sample t-test
• Paired sample t-test
• Repeated measures ANOVA

Question 4

Is obesity (BMI score) or time spent exercising a better predictor of physical fitness scores?

• Multiple regression
• Simple regression
• Two-way ANOVA
• Correlation

Did the June marketing campaign for Happiness products increase their sales from rates in May versus sale rates in July?

• paired sample t-test
• independent sample t-test
• two-way ANOVA
• Simple regression

Question 6

Does the amount of vacation days predict greater job satisfaction?

• Simple regression
• Independent sample t-test
• One-way ANOVA
• Correlation

Question 7

Does SAT score predict GPA at the end of Freshman year in college?

• Simple regression
• Correlation
• Paired sample t-test
• Multiple regression

Question 8

Do mental health counselors with doctoral degrees earn a higher yearly income than those with masters degrees 5 years post graduation?

• Independent sample t-test
• Correlation
• Paired sample t-test
• Regression

Question 9

Does age predict acceptance rate to MBA programs?

• Simple regression
• Paired sample t-test
• One-way ANOVA
• Multiple regression

Question 10

Is there a relationship between years of education and income?

• Correlation
• Simple regression
• One-way ANOVA
• Chi Square Test