Describing Data

Question 1

experiment✔ observational studypublished datasurvey

Revolt · Accepted Answer

B: observational study

Question 2

Which surveys illustrate an example of qualitative data? Check all that apply.

Revolt · Accepted Answer

B: the eye color of students involved in after-school activities; C: the characteristics of different types of birds

Question 3

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?

Revolt · Accepted Answer

C: 30 students selected from his class rosters

Question 4

Maria wants to take a survey to predict who will win the election for her town’s mayor. Which samples are most likely to be biased? Check all that apply.

Revolt · Accepted Answer

A: the residents of every other house on her street; B: the subscribers to a golf magazine; C: the people at the computer store at the mall

Question 5

Which statement is true about Anja’s claim?

Revolt · Accepted Answer

D: She is correct; the histogram is skewed to the right because there is less data on the right side.

Question 6

Question 6

Revolt · Accepted Answer

43050,43051,43053

Question 7

Which statement is true about the box plot?

Revolt · Accepted Answer

C: More of the children were close to 12 years old than 6 years old.

Question 8

Use the dot plot to complete the statements. The dot plot shows that students answered 4 questions incorrectly on the quiz. The most frequent number of questions answered incorrectly was . The data distribution is .

Revolt · Accepted Answer

B: 2

Question 9

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

Revolt · Accepted Answer

B: The data is skewed right.; C: There were 31 people at the party.; F: The majority of the people at the party were less than 61 years old.

Question 10

observational study✔ published datasimulationsurvey

Revolt · Accepted Answer

B: published data

Describing Data Answers

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