Data

Measure of Center

100

The "average" of a set of data

Mean

200

How must data be organized before you can find the median?

in order from least to greatest

300

Explain how to find the mean of a data set

Add the data values and divide by the number of the data values

400

Find the median:

1, 4, 6, 8, 10, 17

7

500

Find the mean: 

1, 3, 5, 7, 2, 6

4

Box Plots

100

What is the median of the lower half of the data?

The lower quartile

200

____ is a display that shows how the values in a data set are distributed or spread out.

A box plot

300

What values are used as the endpoints of a box plot?

The least and greatest values

400

Find the range:

2, 4, 7, 8, 10, 12, 25

23

500

If the lower quartile is 10 and the upper quartile is 22, what is the IQR (interquartile range)?

12

Dot Plots

100

Can this situation yield variable data? / is it a statistical question?

You want to know how old your friend's mom is.

no / not variable

200

Can this situation yield variable data? / Is this a statistical question?

How many people normally attend Rays games.

yes / variable

300

What are data values that are either much greater or much less than the other data values?

Outliers

400

Find the outlier.

20, 23, 27, 22, 9, 25, 23

9

500

In a dot plot, each value is represented by a...

dot

Histograms

100

What type of graph is a histogram? 

Bar graph

200

Histograms represent 

a) simple data values

b) frequencies of numeric data in intervals

b

300

True or False

Histograms and dot plots are the same.

False

Misc.

100

Find the Mean.

2, 4, 5, 6, 2, 3, 1, 1

3

200

Find the median.

5, 7, 10, 3, 6, 7, 2

6

300

Find the range.

4, 10, 17, 22, 30

26

400

Find the mode.

2, 8, 4, 2, 7, 4, 9, 10, 4, 16

4

500

Find the mean.

1, 3, 2, 1, 3

2