Data Measures
Box Plots
Histograms
Dot Plots
Shape of Data
Mixed Bag
100

A teacher asked 20 students how many books they read last summer. The dot plot displays the data.

What is the MODE number of books read?

1

100
Find the first quartile of the following data:


10, 30, 12, 45, 36, 25, 37, 40, 42, 44

25

100

The following histogram shows the ages of library visitors.

About how many people are between 60 and 80 years old?

between 37 and 39 ish

100

The following dot plot shows the number of hours 15 people exercised per week.  

What is the greatest number of hours someone exercised?

9

100

The graph below shows the probability of drawing a card at random from a deck.What word best describes a graph where all outcomes are equally likely? 

Uniform distribution

100

Is the following a statistical question or not? How many calories are in each hamburger at Red Robin?

Yes, it is a statistical question.

200

A teacher asked 20 students how many books they read last summer. The dot plot displays the data.

What is the RANGE of the number of books read?

9

200

Find Q3 of the following Data:

10, 30, 12, 45, 36, 25, 37, 40, 42, 44

42

200

The following histogram shows the ages of library visitors.

About how many people are less than 30?

About 12-14

200

The following dot plot shows the number of hours 15 people exercised per week.  

Most people exercised _______ hours.

1

200

What is the distribution shape of this data?


Symetrical

200

How do you find the IQR

Q3 - Q1

300

A teacher asked 20 students how many books they read last summer. The dot plot displays the data.

What is the MEDIAN number of books read?

1.5

300

How many words does the fastest keyboarder type per minute?

95 WPM

300

The follow shows the distances people will drive to work.

About how many people drive more than 30 KM to work?

About 90

300

The following dot plot shows the number of hours 15 people exercised per week.  

Identify the outlier(s)

6 and 9

300

The graph below shows heights of men and women. What word best describes this type of data distribution? 

Bimodal/multimodal

300

When is median a more accurate measure of center than mean?

When you have outliers

400

A teacher asked 20 students how many books they read last summer. The dot plot displays the data.

What is the IQR of the number of books read?

4

400

The top 50% types between ______ and _____ words per minute.

70 and 100

400

The follow shows the distances people will drive to work.

How many people live very close to work?

About 95 (0-5km is close!)

400

There is a cluster between ____ and ____

0 and 3

400

What term best describes this type of data distribution?

Skewed (right)
400

There are 7 animal shelters in the local area. The number of cats in each is 4, 6, 3, 7, 4, 5, and 20. What is the mean, median, and range of cats in the shelters?

Mean = 7

Median = 5

Range = 17

500

A teacher asked 20 students how many books they read last summer. The dot plot displays the data.

What is the MEAN number of books read?


2.65/2.7

500

The bottom 25% types between ____ and ____ words per minute.

30 and 55

500

The follow shows the distances people will drive to work.

About how many total people were surveyed?

280-300

500

How many people exercised less than 3 hours?

10

500

Describe outliers, gaps, clusters, and how it is skewed.

possible outliers 47 to 50

gap from 44 to 47

cluster around 47 to 50

Skewed left

500

Frank has 3 nickels, 5 dimes, and 2 quarters. Find the mean or average value of each coin.

11.5 cents