Compare Samples

You are investigating whether there is a significant difference in the scores of a group of students before and after participating in an intervention.

• One-sample t-test

• Paired-samples t-test

  (within-subjects)

• Independent-samples t-test

  (between-subjects)

You want to compare the average reaction times of two groups of participants who underwent different training methods

(Group A: Traditional training, Group B: Virtual reality training).

• One-sample t-test

• Paired-samples t-test

  (within-subjects)

• Independent-samples t-test

  (between-subjects)

You are interested in determining if the average number of hours worked per week differs significantly between two different departments in a company.

• One-sample t-test

• Paired-samples t-test

  (within-subjects)

• Independent-samples t-test

  (between-subjects)

You are investigating whether there is a significant difference in the scores of a group of individuals before and after they completed a memory training program.

• One-sample t-test

• Paired-samples t-test

  (within-subjects)

• Independent-samples t-test

  (between-subjects)

• Representative Sample

• Voluntary Sample

• Random Sample

• Systematic Sample

You want to compare the average income of individuals with different educational levels

(Group A: High school diploma, Group B: Bachelor's degree)

• One-sample t-test

• Paired-samples t-test

  (within-subjects)

• Independent-samples t-test

  (between-subjects)

You want to analyze if there is a significant difference in the test scores of two groups of students from different schools.

• One-sample t-test

• Paired-samples t-test

  (within-subjects)

• Independent-samples t-test

  (between-subjects)

This statistical tool analyzes a measurement taken at two different times

• Independent Samples t-test

• Paired Samples t-test

• ANOVA

• Regression Analysis

True or False: ANOVA can help us compare the effectiveness of online classes of different schools

• TRUE

• FALSE

For each situation, choose the most appropriate technique for collecting data. Use the technique exactly once.

Compare average class size for math classes and English classes in your high school.

• Census

• Sample Study

• Observational Study

• Experiment