Question: 1.A researcher has calculated the mean for a variable that is ordinal in level of measurement. This operation is a violation of level of measurement

1.A researcher has calculated the mean for a variable that is ordinal in level of measurement.

This operation is a violation of level of measurement criterion and the results should be disregarded.

This violation of level of measurement criterion is common and results should be treated with caution.

No violation has occurred, this is a perfectly acceptable application of statistics.

This is a mistake: means should never be calculated for ordinal variables because they are always continuous.

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