Data Measures
Box Plots
Histograms
Dot Plots
100
A teacher asked 20 students how many books they read last summer. The dot plot displays the data.
How many students read 1 book?
6
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
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
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 value(s)
6 and 9
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 95
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 or 1 and 3
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?
285-295
500
How many people exercised less than 3 hours?
10