DrMiguel Is Studying Stages of Verbal Ability in Kids

question 8

Multiple Choice

Dr.Miguel is studying stages of verbal ability in kids.He test the kids on verbal ability at age 5 years then again at age of 7.What type of statistical test should he use to analyze his data?

• A)one-sample z test
• B)independent-groups t test
• C)correlated-groups t test
• D)Pearson correlation

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