AnswersConcepts in Probability and Statistics ARepresenting Data Sets with Histograms

Representing Data Sets with Histograms Answers

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Which statements are true given the histogram? Check all that apply.

A
The histogram is symmetrical.
B
The histogram is evenly distributed.
C
The cluster from 4 p.m.–10 p.m. means that most of the texts were sent in the afternoon and evening.
D
More texts were sent from 6 p.m.–8 p.m. than from 8 p.m.–10 p.m.
E
The peak from 4 p.m.–6 p.m. means that the highest number of texts was sent during this interval.
24

The histogram shows the number of text messages sent by two high school juniors on one Monday. Which statement most reasonably explains the hours when 0 texts were sent?

A
The students were asleep and did not have phones turned on.
B
The students only had100 text messages available.
C
The students were in school and were not allowed to text.
D
Texting is done in clusters.
26

Check all the information that you included in your response.

A
Determine the information that will be shown on each axis. Grades will go on the horizontal axis, and the number of students will go on the vertical axis.
B
Find the number of different scores and range.
C
Choose appropriate intervals and an appropriate scale.
D
Find the frequency within each interval. Draw bars the height of the frequency for each interval.
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