Homework 2/17
Homework 2/17
1. The students in one social studies class were asked how many siblings
they each have. The dot plot below shows the results.
a. How many of the students have 6
siblings?
1. The students in one social studies class were asked how many siblings
they each have. The dot plot below shows the results.
a. How many of the students have 6
siblings?
b. How many of the students have no
siblings?
b. How many of the students have no
siblings?
c. How many of the students have 3 or more siblings?
c. How many of the students have 3 or more siblings?
d. Find the mean, median, mode, and range for the distribution.
d. Find the mean, median, mode, and range for the distribution.
e. Describe the shape of the distribution.
e. Describe the shape of the distribution.
2. The heights of 20 basketball players, in inches, are given below.
68
70
70
71
75
80
81
82
84
75
2. The heights of 20 basketball players, in inches, are given below.
68
70
70
71
75
80
81
82
84
75
75
80
75
77
75
80
83
80
71
70
75
80
75
77
75
80
83
80
a. Make a dot plot using the number line below:
a. Make a dot plot using the number line below:
b. Describe the spread of the data.
b. Describe the spread of the data.
c. Describe the shape of the data.
c. Describe the shape of the data.
d. Describe the center of the data.
d. Describe the center of the data.
e. How many players are greater than 70 inches tall?
e. How many players are greater than 70 inches tall?
(flip over to back)
(flip over to back)
71
70
3. Students answered a survey question about how long it takes them to
get ready in the morning. The histogram below shows the survey
results.
3. Students answered a survey question about how long it takes them to
get ready in the morning. The histogram below shows the survey
results.
a. Which interval indicates
the answers most students
gave?
a. Which interval indicates
the answers most students
gave?
b. How many students
answered the question?
b. How many students
answered the question?
c. How many students take
less than 40 minutes to get
ready?
c. How many students take
less than 40 minutes to get
ready?
4. Nathan asked his classmates to estimate the number of hours they
spend doing homework each week. The following data shows the results
of his survey.
9
4
8
2
7
3
5
6
1
4
7
6
8
5
6
5
6
7
11
14
6
5
4. Nathan asked his classmates to estimate the number of hours they
spend doing homework each week. The following data shows the results
of his survey.
9
4
8
2
7
3
5
6
1
4
7
6
8
5
6
5
6
7
11
14
6
5
a. Riley took Nathan’s data and created a frequency table to organize the
data. Check his work and see if he created the frequency table correctly.
Hours Spent
Frequency
Studying
b. Finish making the histogram for the Riley’s
each Week
frequency table.
0-2
2
3-5
7
6-8
10
9-11
2
12-14
1
a. Riley took Nathan’s data and created a frequency table to organize the
data. Check his work and see if he created the frequency table correctly.
Hours Spent
Frequency
Studying
b. Finish making the histogram for the
each Week
Riley’s frequency table.
0-2
2
3-5
7
6-8
10
9-11
2
12-14
1