Comparing Mean and Median Answers

10 verified answers1 views
1
Free Preview

Which lists the steps in the correct order to find the median of this data set?24, 16, 23, 30, 18, 29

A
1. Put the numbers in order.2. Cross off high/low pairs.3. Add the leftover numbers.4. Divide the sum by 2.
B
1. Put the numbers in order. 2. Cross of high/low pairs.
C
1. Cross off high/low pairs.2. Add the leftover numbers.3. Divide the sum by 2.
D
1. Cross of high/low pairs.
3

Which set of data contains one outlier?

A
15, 19, 26, 51, 18, 21
B
22, 33, 31, 20, 28, 19
C
18, 20, 16, 22, 28, 26
D
27, 21, 31, 18, 21, 29
4

Mr. Malloy wants to make sure Amo and Javier get the best possible grade after five tests and can either give a grade based on the median or the mean. TestNumberAmo’s ScoresJavier’s Scores1976829297389654559259065What measure of center should Mr. Malloy use for Amo and for Javier for the best possible grade?

A
The teacher should use the mean for both Amo and Javier.
B
The teacher should use the median for both Amo and Javier.
C
The teacher should use the median for Amo and the mean for Javier.
D
The teacher should use the mean for Amo and the median for Javier.
5

Eva earned the following test scores in science:82, 100, 96, 90, 91Ms. Wade entered the next score as 0 because Eva was absent on test day and hadn’t had a chance to make up the test. Which statements are true based on the data? Check all that apply.

A
After adding the 0 test score, the mean would be the most appropriate measure of center to describe the data.
B
After adding the 0 test score, the mean would be affected.
C
After adding the 0 test score, the median would be the most appropriate measure of center to describe the data.
D
Before the missed test, Eva’s median score was 96.
E
Before the missed test, Eva’s median score was 91.
F
Before the missed test, Eva’s mean score was 91.8.
7

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.
8

Deepali was given two data sets, one without an outlier and one with an outlier. Data without an outlier: 15, 19, 22, 26, 29Data with an outlier: 15, 19, 22, 26, 29, 81How 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.
9

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.
10

Peter’s teacher says he may have his report card percentage based on either the mean or the median and he can drop one test score if he chooses. 84%, 71%, 64%, 90%, 75%, 44%, 98%Which measure of center should Peter choose so he can have the highest percentage possible?

A
Peter should choose the mean after dropping one test score.
B
Peter should choose the mean without dropping one test score.
C
Peter should choose the median after dropping one test score.
D
Peter should choose the median without dropping one test score.

Did you find these answers helpful?

Comparing Mean and Median Answers — Concepts in…