Understanding Variability in Data

Understanding Variability in Data

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Practice Problem

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of a situation that does not have variability?

The number of people in a grocery store

The number of months in a year

The number of students in a class

The number of cars in a parking lot

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which measure of spread is defined as the difference between the highest and lowest data points?

Variance

Standard deviation

Range

Interquartile range

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the interquartile range measure?

The spread of the middle 50% of data

The average of all data points

The variability of data over time

The difference between the highest and lowest data points

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the number of people in a grocery store at 9 a.m. on a Saturday have variability?

Because it is always the same every Saturday

Because it changes depending on the Saturday

Because it is a fixed number

Because it is a specific event

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following situations has no variability?

The amount of rainfall in a month

The number of people visiting a park

The number of cars passing a toll booth

The number of school holidays in a specific year

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the number of inches it rained over the past three weeks demonstrate variability?

It remains constant every three weeks

It changes depending on the time of year

It varies from week to week

It is always the same in every location

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the reason for variability in the number of students absent from school for the past week?

The number is fixed every week

The number is predetermined

The number changes each week

The number is the same for every school

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