Describing Data Answers

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Which surveys illustrate an example of qualitative data? Check all that apply.the time, in minutes, it took students to finish their examsthe eye color of students involved in after-school activitiesthe characteristics of different types of birdsthe scores on the last examthe weights of different books

A
the time, in minutes, it took students to finish their exams
B
the eye color of students involved in after-school activities
C
the characteristics of different types of birds
D
the scores on the last exam
E
the weights of different books
3

skewed leftskewed right✔ symmetrical

A
skewed left
B
skewed right
C
✔ symmetrical
4

A math teacher wants to find out the average number of hours his students spend working on their math homework for his class each week. Which group would best represent a sample of the population?

A
the first 30 students who enter the school building one morning
B
30 students selected from the lunchroom
C
30 students selected from his class rosters
D
30 students who stay after school for football practice
6

Which statement is true about Anja’s claim?

A
She is incorrect; the histogram is skewed to the left because more data is on the left side.
B
She is incorrect; the histogram is skewed to the left because there is more data on the right side.
C
She is incorrect; the histogram is symmetrical because the right side is equal to the left side.
D
She is correct; the histogram is skewed to the right because there is less data on the right side.
7

Which statements are correct about the two-way frequency table? Check all that apply.

A
The survey represents quantitative data.
B
There is a greater percentage of 10th graders who do not have a sibling than 9th graders who do not have a sibling.
C
The total number of students in the poll who have a sibling is 116.
D
Fifty-two 10th graders were polled.
E
More 9th graders were polled than 10th graders.
8

Which statement is true about the box plot?

A
The youngest age is 7.
B
It is skewed right.
C
More of the children were close to 12 years old than 6 years old.
D
Half of the children were between 6 and 9 years old.
9

Use the dot plot to complete the statements.

Answers:
The dot plot shows that students answered 4 questions incorrectly on the quiz.:2
The most frequent number of questions answered incorrectly was .:5
The data distribution is .:symmetrical
10

Use the dot plot to complete the statements.

Answers:
The dot plot shows that students answered 4 questions incorrectly on the quiz.:2
The most frequent number of questions answered incorrectly was .:5
The data distribution is .:symmetrical
11

Which statements must be true according to the histogram? Check all that apply.

A
The data is qualitative.
B
The data is skewed right.
C
There were 31 people at the party.
D
There were children at the party.
E
The most common age of the attendees was 13 years old.
F
The majority of the people at the party were less than 61 years old.

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