Mrs.Hall records the heights of 50 students in a spreadsheet. The mean height is 68 inches. After looking at the data again, she

Question

4 years ago

13

Mrs.Hall records the heights of 50 students in a spreadsheet. The mean height is 68 inches. After looking at the data again, she

realized that two of the 50 observations were outliers that must have been typos, 82 and 86 inches. She deleted these two observations. What is the new mean, rounded to the nearest hundredth?

Mathematics

1 answer:

son4ous [18] · Answer 1 · 2022-01-07T21:41:18+03:00

son4ous [18]4 years ago

8 0

After removing the outliers, the new total of student heights is
68*50 -82 -86 = 3232
so the new mean is
3232/48 = 67.33