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
Which job has greater spread?
Teacher
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
What does the MAD tell us?
How varied the data is
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 stray value(s)
6 and 9
300
T/F The upper quartile of Store A is less than the median of Store B.
False
300
If one set of data has a MAD of 3 and the other a MAD of 5, What can you say about the set of data?
The MAd of 5 has more variation in the data.
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
This data is skewed left. True or False
False
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 absolute deviation for the number of cats in shelters to the nearest tenth?
What is 3.7.
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.
11.5 cents