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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Definitions:

Widely Dispersed

Describes data that is spread out over a large range, showing significant variability within the dataset.

Shape Of The Distribution

The form or appearance of the graph of a distribution, which can include features like skewness and kurtosis.

Interval Variables

A type of quantitative variable that represents numeric data with meaningful intervals but without a true zero point.

Coefficient Of Determination

A measure used in statistical analysis that assesses how well a model explains and predicts future outcomes, often represented by R^2.