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Median/Mean
Random
100
The sum of the data divided by the number of data values.
What is mean?
100
23, 42, 33, 117, 36, 40 = 117
What is the outlier in this data set?
100

which measure of center best represents the data?

runs scored during the baseball season: 8, 6, 9, 3, 12, 4, 2, 10, 7, 8

mean or mode

100

What is the outlier?

10, 15, 25, 19, 37, 62, 29, 8, 6, 30, 15, and 20.

62

100

Use the following data

2, 3, 3, 4, 5, 7, 8, 8, 8, 10, 10, 12

range AND median

10 and 7.5

200
A data value which is much greater or much less than the other values.
What is an outlier?
200
5, 7, 12, 16 = 10
What is the mean of the data?
200

which measure of center best represents the data?

prices of earrings: $6, $12, $15, $12, $12, $20, $12, $13

mode

200

Which measure of center would you use to describe a data set with no extreme values and no big gaps?

Mean

200
The median of the lower half of a data set.
What is the first quartile?
300
For a data set with an odd number of ordered values, the middle value. For a data set with an even number of ordered values, the mean of the two middle values.
What is median?
300
3, 4, 4, 7, 7, 9, 12 = 4 and 7
What is mode of the data set?
300

Use the following data

2, 3, 3, 4, 5, 7, 8, 8, 8, 10, 10, 12

find Q1 and Q3

9 and 3.5

300

What is the mean absolute deviation of the data? (nearest tenth)

10, 6, 13, 12, 4, 15

3.3 (nearest tenth)

300
The median of the upper half of a data set.
What is the third quartile?
400
The data value or values that occur most often; there can be one, more than one, or none.
What is mode?
400
24, 25, 29, 33, 38 = 29
What is the median of the data set?
400
The mean, median, and mode are all...
What are measures of center?
400

What is the mean

38, 48, 50, 38, 52, 38, 18, 48

41.25
400
The difference between the third quartile and the first quartile of a data set.
What is interquartile range?
500

The difference between the greatest value and least value of a data set.

What is range?

500

Find the mean absolute deviation of the data set 8, 10, 15, 8, 12, 13, 12 and 14. Round to the nearest hundredth if necessary.

2.13

500
The range, interquartile range, and mean absolute deviation are all...
What are measures of variation?
500

What is the mean cost without the outlier?

38, 48, 50, 38, 52, 38, 18, 48

44.57

500

3, 4, 18, 16, 21, 26 

Find the IQR

17

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