Question

which of the following is true of the mean of a set of data? multiple choice the mean is the score that falls exactly in the middle of a distribution of scores arranged from highest to lowest the mean is not a good indicator of the central tendency for a group of scores. most of the quantitative techniques in psychological science do not begin with the mean. the mean is not very helpful when a small set of scores contains a few extreme scores.

Explanation:

Step1: Analyze Option1

The described value is the median, not the mean.

Step2: Analyze Option2

The mean is a standard central tendency measure.

Step3: Analyze Option3

Most quantitative techniques rely heavily on the mean.

Step4: Analyze Option4

The mean is sensitive to outliers in small datasets.
For a small dataset with extreme values, the mean is pulled toward the outliers, making it a poor representative of the dataset's central tendency.

Answer:

D. The mean is not very helpful when a small set of scores contains a few extreme scores.