Measure of Center & measure of Variation

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Multiple Select

What do you use to find the measure of center?

• Mean

• Median

• Mode

• Range

Multiple Select

What do you use to find the measure of center?

• Mean

• Median

• Mode

• Range

Multiple Choice

What is another word for AVERAGE?

• Mode

• Median

• Mean

• Not nice

Multiple Choice

To find the average of a set of numbers, add up all the items and divide by...

• 2
• The minimum
• The maximum
• The number of items

Multiple Choice

What is the definition of the mean?

• The average
• The middle number
• The difference between the highest and lowest numbers
• The number that occurs the most

Multiple Choice

Find the mean:
28, 18, 19, 18, 17

• 20
• 18
• 11
• 19

Multiple Choice

On the semester final, Joe scored 85, Jill scored 89, and Bill scored a 99.What was the average score for these students? _________

• 91
• 273

Multiple Choice

Calculate the mean:

23, 15, 8, 12, 26, 5, 22, 9

• 17.1

• 15

• 13.3

• 12

Multiple Choice

How do you find the median?

• Put the number in order from least to greatest, then find the middle number

• Put the numbers in order from least to greatest and find the most seen number

• Subtract the largest number from the smallest number

• Add up all the numbers then divide by the number of numbers.

Multiple Choice

When trying to find the median of a set of numbers, the order of the numbers does NOT matter

• True

• False

Multiple Choice

Find the median

4, 2, 6, 4, 1, 6, 7

• 1

• 2

• 4

• 6

Multiple Choice

Find the median

17, 11, 18, 17, 15, 14, 16

• 15

• 17

• 16

• 18

Multiple Select

What do you use to find the measure of center?

• Mean

• Median

• Mode

• Range

Multiple Select

What do you use to find the measure of variation?

• Interquartile Range

• Median

• Mode

• Range

Multiple Choice

What is the range?

• The average
• The number in the middle
• The largest number - the smallest number
• The number that appears most often

Multiple Choice

Find the range of the following data set: 5, 9, 3, 13, 5.

• 3

• 9

• 10

• 13

Multiple Choice

What is the range?

• The sum of the largest and smallest number

• The number in the middle

• The difference between the largest and smallest number

• The number that appears most often

Multiple Choice

Find the range.
5, 15, 10, 20, 15, 10, 15

• 5
• 10
• 15
• 13

Multiple Choice

Q1 is the median (middle) of the lower half of the data values.

• True

• False

Multiple Choice

Q2 is the same as the ______

• Mean

• Median

• Mode

• Range

Multiple Choice

IQR = Q3 - Q1

• True

• False

Multiple Choice

The difference between the third and first quartiles in a data set, representing the middle half of the data.

• range
• interquartile range
• standard deviation
• mean absolute deviation

Multiple Select

What do you use to find the measure of variation?

• Interquartile Range

• Median

• Mode

• Range

Multiple Select

Select the two measures of variation.

• Mean

• IQR

• Median

• Range

• Mode

Multiple Select

Select the two measures of center.

• Mean

• IQR

• Median

• Range

Multiple Select

Select what you use if there are outliers.

• Mean

• IQR

• Range

• Median

Multiple Select

Select what you use if there are NO outliers.

• Mean

• IQR

• Range

• Median

Multiple Choice

A value that is much higher or much lower than the other values in a set of data.

• Outlier

• Mean

• Median

• Mode

Multiple Choice

Identify any outliers.

• Outlier at x = 10

• Outlier at x = 15

• Outlier at x = 30

• There aren't any outliers in this graph.

Multiple Choice

Identify any outliers.

• Outlier at x = 18

• Outlier at x = 12

• Outlier at x = 6

• There aren't any outliers in this graph.

Multiple Choice

Identify the outlier for the given data?

23, 34, 27, 7, 30, 26, 28, 31, 34

• 7

• 23

• 31

• 34

Multiple Choice

The data below represent the ages of several people in a class. Who is the outlier?

• Mr. Smith.

• Chris

• Lovell

• Sam

Multiple Choice

__________graphs have the same shape on either side of a middle point.

• cluster
• peak
• outlier
• symmetrical

Multiple Choice

Is the graph symmetric or skewed?

• Symmetric

• Skewed

Multiple Choice

Is the graph symmetric or skewed?

• Symmetric

• Skewed

Multiple Choice

Is the graph symmetric or skewed?

• Symmetric

• Skewed

Multiple Choice

Is the graph symmetric or skewed?

• Symmetric

• Skewed

Multiple Choice

The data in the picture:

• is negatively skewed

• positively skewed

• symmetrical