Find the impact of the class on learner knowledge

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1. The university is interested in seeing how much knowledge of statistics is gained in an introductory course. They collect data with a survey of general statistical knowledge before and after the class. What type of t-test should be used to see the impact of the class on learner knowledge?

a. Paired samples t-test

b. samples t-test

c. One sample t-test

d. None of these tests would be suitable

2. You conduct an experiment to see if using a new course format has an impact on learner performance. One group of learners took the course in the old format and another took it in the new format and then their grades were compared. What type of t-test should be used for this analysis?

a. Paired samples t-test

b. Independent samples t-test

c. One sample t-test

d. None of these tests would be suitable

3. How do I know when to use each of the above listed tests

Reference no: EM132852957

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