Dr.Ormson measures the calorie intake of a group of 20-year olds and finds that the average number of calories consumed per day is greater for males than it is for females.If he also wanted to know how much the number of calories consumed vary within each group,what statistic should he use?
A) mean
B) standard deviation
C) correlation coefficient
D) probability statistic

Question

Quizplus · Accepted Answer

To measure the variation within each group, Dr. Ormson should use the standard deviation. The standard deviation measures how spread out the data is from the mean, and it can provide information about the variability within a group of numbers.

DrOrmson Measures the Calorie Intake of a Group of 20-Year