Statistical Question
Mean, Median, Mode
Box & Whiskers Plot
Histograms
Summary Review
100

What is a statistical question?

Something that has more than one answer; variation

100

Another word for the mean is...

average

100

In a box and whisker plot, what do the whiskers represent?

The minimum and maximum

100

There are four tallies for students who own dogs, what is the frequency?

4

100

How do you calculate the mean of a data set?

add up all the numbers and divide the sum by how many numbers you have in the data set.

200

What is a non-statistical question?

Something that has one answer; no variation

200

The mode is...

The number that repeats the most

200

What does the line in the middle of the box in a box and whisker plot represent? 

median

200
Which grade level has the most students: 4th grade with a frequency of 8, 5th grade with a frequency of 11, or 6th grade with a frequency of 15?

6th grade

200

In a Box and Whiskers Plot what is the percentage of the data displayed from Q1 to Q3?

50%

300

Is the following a statistical question or not: What is your favorite color?

Not statistical

300

What is the mean of the data set: 27, 26, 25, 20

24.5

300

Identify the first and third quartile of the following data set: 40, 45, 55, 60, 65, 70, 75

1st quartile = 45

3rd quartile = 70

300

A histogram is a graph that uses ______ to show the frequency  of ranges or groups of data.

bars

300

What are two ways to measure the center of a data set? 

mean & median

400

Is the following a statistical question or not: Students rated their school subjects in order from most favorite to least favorite.

Statistical

400

What is the mode of the following data set: 0, 5, 4, 8, 2

no mode

400

Identify the minimum and maximum values of the following data set: 12, 14, 12, 14, 10, 11, 15, 13, 13, 11, 12, 12, 7, 14, 17

minimum = 7

maximum = 17

400
A frequency tables shows the number of times a data value or a range of data values occurs using _____.

tally marks

400

List at least one way you can describe the variability in a data set.

range, IQR, or MAD

500

Is the following a statistical question or not: How tall are students in the 6th grade?

statistical

500

What is the median of the following data set: 11, 13, 13, 11, 13

13

500

Identify the median of the following data set: 3, 1, 3, 7, 5, 2, 3, 6, 3

median = 3

500

True or False. When setting up a histogram (bar graph), you must divide the data into equal intervals along the x-axis.

True

500

Find the IQR of the following data set: 10, 20, 35, 45, 45, 50

IQR = 25

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