Stuck on problem

Question

9. The following data represents the average snowfall ( measured in inches) in December in Philadelphia for the past 9 years : 0.8, 1.5, 4.2, 0.8, 0.8, 3.2, 2.5, 1.5, 0.2 If we eliminate the largest and smallest values, how will the mean, median, and mode be affected? A. B. C. D. the mean, median, and mode are all unchanged the mean and median change, the mode is unchanged the mean changes , the median and mode are unchanged the mean and mode change, the median is unchanged the mean, median, and mode all change E.

Answer 1

Mean = The total sum of all values divided by the number of values/data. Mean of the data before the change = 15.5 / 9 = 1.72. Mean after the change = 11.9 / 7 = 1.7

Median = Middle number in a set of data. Median before the change = 2. Median after the change = 0.8

Mode = The value or number that shows up the most. Mode before the change = 0.8 Mode after the change = 0.8

In conclusion, your answer to this question is answer choice B. the mean and median change, the mode is unchanged.