AnswersConcepts in Probability and Statistics ARepresenting Data Sets with Histograms

Representing Data Sets with Histograms Answers

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Liliana noted that the temperature was 45 degrees when she woke up. At noon she started recording the increase in degrees from the morning temperature. Which statement most reasonably explains the hours after the peak increase in temperature?

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A
The temperature always rises after a peak.
B
The temperature increase went down because the thermometer’s battery was losing power.
C
The temperature increase went down because it became cooler as the sun went down for the night.
D
The temperature rose after the peak when the sun came out from behind a cloud bank.
2
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Miguel made a histogram to show the ages of all the participants involved in a fund-raiser. Which part of the histogram did Miguel forget to create?

Question illustration
A
Miguel forgot to choose the intervals.
B
Miguel forgot to create the frequency table.
C
Miguel forgot to create the title.
D
Miguel forgot to put spaces between the bars.
3

Maria kept a log of the number of miles she jogged each time she went for a run as she trained for an upcoming marathon. She displayed the logged runs in the histogram below.What is the range of the number of miles Maria jogged?

Question illustration
A
0 to 7
B
0 to 7.99
C
1 to 7.99
D
1 to 8
4

Read the directions for creating a histogram.1. Label the x-axis and choose the interval.2. Calculate the frequency of each interval.3. Label the y-axis and determine the scale.4. 5. Create a title.Which is missing from step 4?

A
Add the data for each interval.
B
Put a point on each line of the y-axis that has data.
C
Put the data in order in the table.
D
Create the bars.
5

Johanna graphed the number of calls she made during one day. How many calls were made before 6 p.m.? [BLANK]

Question illustration
Answer not available
7

Which statement about histograms is true?

A
Data is organized in categories.
B
Data appears as bars that are all about the same height.
C
Data is organized in equal intervals.
D
Data appears as bars that do not touch.
8

Julia had nine months to earn money for a school trip. The histogram shows Julia’s monthly deposits into her savings account.Which best describes the data for June, July, and August?

Question illustration
A
a cluster
B
a gap
C
low frequency
D
symmetric
10

Henry took a survey to determine how many rooms were in each house in his neighborhood. He created the histogram from his data.What is the range of rooms in Henry’s histogram?

Question illustration
A
The houses surveyed had between 1 and 10 rooms.
B
The histogram shows a range of 5 to 6 rooms.
C
The houses surveyed had between 0 and 6 rooms.
D
The histogram shows a range of 1 to 5 rooms.

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