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Robust estimation in Education MCQ

Different groups are approximately equal.)

Interpret the figures in the row labelled ‘equal variances assumed’.

Conduct a Kruskal–Wallis test instead.

Interpret the figures in the row labelled ‘equal variances not assumed’.

Collect more data.

Answer

Correct Answer: Interpret the figures in the row labelled ‘equal variances not assumed’.

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The variances in different groups are significantly different.

The variances in different groups are approximately equal.

The variance across groups is proportional to the means of those groups.

The variance is the same as the interquartile range.

Answer

Correct Answer: The variances in different groups are approximately equal.

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Tangent transformation

Arcsine transformation

Cosine transformation

Log transformation

Answer

Correct Answer: Log transformation

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