Data Displays and Statistics

Question 1

A researcher wants to know how many 6th graders own a mobile phone. Which would be a sample of the population?

Revolt · Accepted Answer

a percentage of 6th graders

Question 2

Which two students would have the largest changes between their data displays?

Revolt · Accepted Answer

Andrea and Dominique

Question 3

A typical student in Mr. Hart’s class studies a typical student in Ms. Perry’s class.

Revolt · Accepted Answer

more than

Question 4

Which scenarios describe data collected in a biased way? Select all that apply.

Revolt · Accepted Answer

A principal interviewed the 25 students who scored highest on a reading test.; For a report on the exercise habits of adults, Sergio talked to 30 adults at a local fitness center.; Josh asked the first 25 people he met at the dog park if they preferred dogs or cats.

Question 5

Which student’s data would be most representative of the spinner?

Revolt · Accepted Answer

Andrea

Question 6

The mean number of hours a student in Mr. Hart’s class studies is

Revolt · Accepted Answer

4.6

Question 7

The mean number of hours a student in Ms. Perry’s class studies is hours.

Revolt · Accepted Answer

2.8

Data Displays and Statistics Answers

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