Levene's Test Tests Whether

question 1

Multiple Choice

Levene's test tests whether?

• A) Data are normally distributed
• B) The variances in different groups are equal
• C) The assumption of sphericity has been met
• D) Group means differ

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Definitions:

Sampling Error

The difference between a sample statistic and the corresponding population parameter, arising due to the fact that the sample is not a perfect representation of the population.

Biased Estimator

An estimator that, on average, does not equal the true parameter of the population, indicating a systematic error in estimation.

Population Parameter

A numerical value summarizing a characteristic of an entire population, such as mean or variance.

Efficient Estimator

An estimator that achieves the lowest possible variance among all unbiased estimators for a parameter of interest.