AnswersMath Models ARange and Interquartile Range

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What is true of the data in the dot plot? Check all that apply.Number of Minutes for Each Commercial Break

Question illustration
A
The center is 3.
B
The peak is 5.
C
There are no gaps.
D
It is symmetric.
E
It is skewed right.
F
The spread is from 1 to 5.
G
There were 14 commercial breaks.
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Which method can be used to find the interquartile range for a set of data?

A
Find the difference between the maximum and minimum values.
B
Find the difference between the upper and lower quartiles.
C
Find the median of the upper half of an ordered data set.
D
Find the sum of the maximum and minimum values.
46

Sora was given two data sets, one without an outlier and one with an outlier. Data without an outlier: 108, 113, 105, 118, 124, 121, 109Data with an outlier: 108, 113, 105, 118, 124, 121, 109, 41How is the mean affected by an outlier?

A
The outlier did not affect the mean at all.
B
The outlier made the mean higher than all the other values.
C
The outlier made the mean lower than all the other values.
D
The mean is centered around all the other numbers in both sets of data.
51

Which is the best description for this histogram?

Question illustration
A
It is symmetrical.
B
It has 2 clusters.
C
It is not evenly distributed
D
It has intervals of 5.
53

Margo has 15 pounds of clay, Tim has 10 pounds of clay, Tray has 13 pounds of clay, Lila has 14 pounds of clay, and Jerry has 13 pounds of clay. How can they redistribute the clay so that they all have the same amount? Check all that apply.

A
Margo should give away 2 pounds of clay.
B
Margo should be given 2 pounds of clay.
C
Tim should be given 1 pound of clay.
D
Lila should give away 1 pound of clay.
E
When fairly balanced everyone will have 14 pounds of clay.
F
When fairly balanced everyone will have 13 pounds of clay.
55

Using the set of data below, which statements are true? Check all that apply. 13, 11, 16, 12, 42, 8

A
The mean of this data set is 17.
B
The median is 12.5.
C
The median is 14.5.
D
The mean is more affected by the outlier.
E
The median is more affected by the outlier.
F
The mean of this data set is 12.
57

Mrs. Juarez graded ten English papers and recorded the scores.92, 95, 100, 62, 88, 90, 100, 96, 89, 98Which statements are true? Check all that apply.

A
The range of scores is 38.
B
Without the outlier, the range of scores would be 12.
C
The outlier impacts the range more than it impacts the interquartile range.
D
The interquartile range is 9.
E
The interquartile range is 4.
F
Without the outlier, the interquartile range would be 9.5.
59

Mr. Chiu made a dot plot after asking his students a question.Based on the dot plot, which statements are correct? Check all that apply.

Question illustration
A
Eleven students answered Mr. Chiu’s question.
B
Twelve students answered Mr. Chiu’s question.
C
Three people studied for two hours.
D
Three people studied for three hours.
E
Everyone who responded studied for at least one hour.
F
Four people studied for four or more hours.
60

Martin kept track of the number of times he had to flip a coin before it landed tails up.Number of Flips to Land Tails UpWhich is a true statement about the dot plot?

Question illustration
A
Six times it took 4 flips of the coin to land tails up.
B
Twice it took 4 flips of the coin to land tails up.
C
It took 6 flips of the coin to land tails up more often than any other number of flips.
D
The greatest number of flips it took to land tails up was 6.

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