Statistical Analysis Quiz

A sprout grower tests three fertilizers and two lighting conditions on wheatgrass yields. With 9 sprouts per group, they measure yield. Appropriate test?

• One-way ANOVA

• Two-way ANOVA

• Linear regression

• Chi-square test

Patient wait times are compared before and after a clinic implements a new check-in system. Times are collected for 30 patients before and 30 after. Which analysis?

• Paired samples t-test

• Independent samples t-test

• One-way ANOVA

• Two-way ANOVA

A tutoring company evaluates whether their services improve exam scores. They collect 50 student exam scores before and after tutoring. Appropriate analysis?

• Paired samples t-test

• Independent samples t-test

• Chi-square test

• Simple linear regression

A golf instructor evaluates the effect of 3 different swing techniques and 2 training programs on driving distance with 18 students. Which analysis?

• Independent t-test

• One-way ANOVA

• Two-way ANOVA

• Multiple linear regression

A farmer compares potato yield for an organic and standard fertilizer and provides each to 100 plants. How should he analyze differences in potato size?

• Independent samples t-test

• One-way ANOVA

• Simple linear regression

• Two-way ANOVA

A gym trainer compares the weight loss of clients following two different diet plans. He collects data from 40 clients following each diet. Which analysis should he use?

• Paired samples t-test

• Independent samples t-test

• One-way ANOVA

• Two-way ANOVA

A school tests the effect of two different teaching methods and three different class sizes on student test scores. They collect data from 6 classes for each combination. What is the appropriate test?

• One-way ANOVA

• Two-way ANOVA

• Linear regression

• Chi-square test

A company evaluates the effect of three different training programs on employee productivity. They collect data from 15 employees for each program. Which analysis should they use?

• Independent t-test

• One-way ANOVA

• Two-way ANOVA

• Multiple linear regression