8
QuizMultiple Choice
Standard Deviation
Question 8 of 10 • College Prep Math B - IC26
Sixteen students each measured the weight of 25 pennies, in grams. The list shows their measurements.60, 62, 65, 59, 63, 63, 63, 62, 64, 62, 60, 61, 66, 64, 61, 65In each graph below, the mean is indicated by a solid vertical line segment while the standard deviations from the mean are indicated by dotted vertical line segments. Which graph represents the distribution of weights?
Answer
A
A graph shows the horizontal axis numbered 58 to x. The vertical axis is unnumbered. The graph shows an upward trend from 60 to 62.5 then a downward trend from 62.5 to 65. 
B
A graph shows the horizontal axis numbered 52 to x. The vertical axis is unnumbered. The graph shows an upward trend from 60 to 62.5 then a downward trend from 62.5 to 70. 
C
A graph shows the horizontal axis numbered 57 to x. The vertical axis is unnumbered. The graph shows an upward trend from 57 to 62.5 then a downward trend from 62.5 to 68. 
D
A graph shows the horizontal axis numbered 58 to x. The vertical axis is unnumbered. The graph shows an upward trend from 61 to 62.5 then a downward trend from 62.5 to 64. 