Histograms

1
Histograms

• Reading, Interpreting, and Constructing Frequency
  Tables Histograms

2
1) Which of these is NOT a true statement?
Number of Books in the Library-by Age
100
A) There are more books that are less than 16
years old than books that are more than 15 years
old
90
NumberofBooks
80
70
B) No age category shows more than 100 books.
60
50
C) Fewer than 50 books are older than 20 years.
40
30
D) About ½ of the books are less than 20 years
old.
20
10
1-5
6-10
11-15
16-20
21-25
26-30
31-35
Age of Books (years)
3
1) Which of these is NOT a true statement?
Number of Books in the Library-by Age
100
A) There are more books that are less than 16
years old than books that are more than 15 years
old
90
NumberofBooks
80
70
B) No age category shows more than 100 books.
60
50
C) Fewer than 50 books are older than 20 years.
40
30
D) About ½ of the books are less than 20 years
old.
20
10
1-5
6-10
11-15
16-20
21-25
26-30
31-35
Age of Books (years)
4
2) About how many more books are less than 6
years old than are between 31 35 years old?
Number of Books in the Library-by Age
100
A) 65
90
B) 55
NumberofBooks
80
C) 50
70
D) 45
60
50
40
30
20
10
1-5
6-10
11-15
16-20
21-25
26-30
31-35
Age of Books (years)
5
2) About how many more books are less than 6
years old than are between 31 35 years old?
Number of Books in the Library-by Age
100
A) 65
90
B) 55
NumberofBooks
80
C) 50
70
D) 45
60
50
40
30
20
10
1-5
6-10
11-15
16-20
21-25
26-30
31-35
Age of Books (years)
6
3) Which category represents about 30 of the
total number of books?
Number of Books in the Library-by Age
100
A) 16-20
90
B) 11-15
NumberofBooks
80
C) 6-10
70
D) 1-5
60
50
40
30
20
10
1-5
6-10
11-15
16-20
21-25
26-30
31-35
Age of Books (years)
7
3) Which category represents about 30 of the
total number of books?
Number of Books in the Library-by Age
100
A) 16-20
90
B) 11-15
NumberofBooks
80
C) 6-10
70
D) 1-5
60
50
40
30
20
10
1-5
6-10
11-15
16-20
21-25
26-30
31-35
Age of Books (years)
8
4) How many students scored below 81?
A) 3
B) 4
Science Test Scores
C) 7
NumberofStudents
D) 9
6
5
4
3
2
1
41-50
51-60
61-70
71-80
81-90
91-100
SCORES
9
4) How many students scored below 81?
A) 3
B) 4
Science Test Scores
C) 7
NumberofStudents
D) 9
6
5
4
3
2
1
41-50
51-60
61-70
71-80
81-90
91-100
SCORES
10
5) How many students scored above 70?
A) 3
B) 4
Science Test Scores
C) 7
NumberofStudents
D) 12
6
5
4
3
2
1
41-50
51-60
61-70
71-80
81-90
91-100
SCORES
11
5) How many students scored above 70?
A) 3
B) 4
Science Test Scores
C) 7
NumberofStudents
D) 12
6
5
4
3
2
1
41-50
51-60
61-70
71-80
81-90
91-100
SCORES
12
6) Based on the histogram below, which argument
is most convincing?
RADIO LISTENERS
A) The program has the most listeners of any
program in the area.
NumberofLIsteners
8000
B) More than ½ the audience is between the ages
of 20-39.
6000
C) The program is not as popular with middle
school students as it is with their parents.
4000
D) The program has less than 20,000 listeners.
2000
0-19
20-39
40-59
60-79
80-99
AGES
13
6) Based on the histogram below, which argument
is most convincing?
RADIO LISTENERS
A) The program has the most listeners of any
program in the area.
NumberofLIsteners
8000
B) More than ½ the audience is between the ages
of 20-39.
6000
C) The program is not as popular with middle
school students as it is with their parents.
4000
D) The program has less than 20,000 listeners.
2000
0-19
20-39
40-59
60-79
80-99
AGES
14
7) These data show the ages of award winners at a
county fair
8 9 10 12 12 12 16 1821 22 28 30 34 37 39 4041 4
1 42 45
Use the data to complete this frequency table
15
7) These data show the ages of award winners at a
county fair
8 9 10 12 12 12 16 1821 22 28 30 34 37 39 4041 4
1 42 45
Use the data to complete this frequency table
16
8) Use the data in problem 7 to create a
histogram.
AGES OF COUNTY FAIR AWARD WINNERS
8
FREQUENCY
6
4
2
6-15
16-25
26-35
36-45
AGES
17
8) Use the data in problem 7 to create a
histogram.
AGES OF COUNTY FAIR AWARD WINNERS
8
FREQUENCY
6
4
2
6-15
16-25
26-35
36-45
AGES
18
8) Jesse decided to rate restaurants on a scale
of 1 to 50. His ratings for 15 restaurants are
shown below38 5 25 13 49 26 34 5 38 45 4 22 2 2
5
Create a histogram with 5 intervals that
represents Jesses data. Include a title,
scales, and labels.
19
8) Jesse decided to rate restaurants on a scale
of 0 to 50. His ratings for 15 restaurants are
shown below38 5 25 13 49 26 34 5 38 45 4 22 2 2
5
RESTAURANT RATINGS
Create a histogram with 5 intervals that
represents Jesses data. Include a title,
scales, and labels.
7
FREQUENCY
6
5
4
3
2
1
0
1-10
11-20
21-30
31-40
41-50
RATINGS