Question

Yikes Stem and Leaf plots (again) does anyone understand this!!

If another data entry, 80, was added to the stem-and-leaf plot, which value(s) found above would change?

A) Mean and Median only

B) Mean and Mode only

C) Mean, Median, and Mode only

D) Mean, Median, Mode, and Range

Answer 1

C) Mean, Median, and Mode only

Explanation:

First Stem and Leaf Plot

Minimum: 41

Maximum: 95

Range: 54

Count: 14

Sum: 973

Mean: 69.5

Median: 72.5

Mode: 78

Stem and Leaf Plot with 80 added

Minimum: 41

Maximum: 95

Range: 54

Count: 15

Sum: 1053

Mean: 70.2

Median: 75

Mode: 78, 80