Measures of Center and Location Answers

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What effects are likely if the analyst decides to include the upper outlier in the calculations? Check all that apply.The median will stay about the same.The mean will stay about the same.The median will decrease.The mean will increase.The median will increase.

A
The median will stay about the same.
B
The mean will stay about the same.
C
The median will decrease.
D
The mean will increase.
E
The median will increase.
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The mean is a [___].

A
parameter
B
population
C
sample
D
statistic
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This mean paycheck indicates that [___].

A
on average, students earned $205.53 per paycheck
B
the highest and lowest paychecks differ by $205.53
C
the same number of students made less than and more than $205.53 per month
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This median number of hours indicates that [___].

A
the sum of the hours divided by 20 is 2.5
B
the highest and lowest values differ by 2.5 hours.
C
the same number of students spent less than and more than 2.5 hours per day
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This mean time indicates that [___] on homework.

A
no students spent more than 45 minutes
B
on average, students spent between 41 and 60 minutes
C
half the students spent less than 45 minutes
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This median height indicates that [___].

A
no flowers are taller than 40 inches
B
no flowers are between 30 and 40 inches tall
C
about the same number of flowers are shorter than and taller than the interval of 30–40 inches
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Use the histogram to answer the questions.

Answers:
The most likely location for the mean of the data is .:B
The most likely location for the median of the data is .:B
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What is the likely effect if the analyst decides to include the lower outlier in the calculations?The median will remain about the same, but the mean will decrease.The median will decrease, and the mean will increase.The mean will stay about the same, but the median will decrease.The median and mean will both stay about the same.

A
The median will remain about the same, but the mean will decrease.
B
The median will decrease, and the mean will increase.
C
The mean will stay about the same, but the median will decrease.
D
The median and mean will both stay about the same.
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Which statement best describes the measures of center?The mean and the median are identical.The mean and the median are similar.The mean is greater than the median.The mean is less than the median.

A
The mean and the median are identical.
B
The mean and the median are similar.
C
The mean is greater than the median.
D
The mean is less than the median.

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