Question

Participants in a weight-loss program agree to have their body mass index (BMI) measured to track their progress in the program. Among a sample of 72 participants, the mean BMI is 30 and the median BMI is 25. Which statement provides an accurate description of the sample?

A. More participants had a BMI over 25 than a BMI under 25.
B. The majority of participants had a BMI between 25 and 30.
C. Half of the participants had a BMI over 25 and half had a BMI under 25.
D. More outliers among the participants had a BMI under 25 than a BMI over 30.

Answer 1

Answer:

C. half of the participants had a BMI over 25 and half had a BMI under 25

Explanation:

This question is a question that is based on statistical reasoning according to the given data, the option C is correct option as explains or give reasoning about the results obtained. As we know that median is the quantity that divides the data into two equal halves. So, median BMI which is 25 interprets that half of the participants have BMI below 25 and half have BMI above 25. The other options do not represent any reasoning based on statistical data and values of mean and median given.