Standard Deviation Answers

0 verified answers2 views
1
Free Preview

The graph represents the distribution of the lengths of play times, in minutes, for songs played by a radio station over one hour.

Question illustration
A
Most of the songs were between 3 minutes and 3.8 minutes long.
B
Most of the songs were 3.4 minutes long.
C
Most of the songs were less than 3.2 minutes long.
D
Most of the songs were more than 3.6 minutes long.
2
Free Preview

The graph shows a distribution of data.

Question illustration
A
0.5
B
1.5
C
2.0
D
2.5
3

Grace is looking at a report of her monthly cell-phone usage for the last year to determine if she needs to upgrade her plan. The list represents the approximate number of megabytes of data Grace used each month.700, 735, 680, 890, 755, 740, 670, 785, 805, 1050, 820, 750

A
65
B
75
C
100
D
130
4

The histogram shows a city’s daily high temperatures recorded for four weeks.

Question illustration
A
symmetrical
B
left-skewed
C
right-skewed
D
normal

Did you find these answers helpful?