Understanding Data Ranges and Averages

Understanding Data Ranges and Averages

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial explains how to calculate the range of a data set by subtracting the smallest number from the largest. It provides three examples to illustrate the calculation process and discusses how to compare data sets using the range. The video also highlights the importance of accuracy in calculations and compares the consistency of two classes based on their test scores.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the range in a data set?

The difference between the largest and smallest numbers

The sum of all numbers in the data set

The average of all numbers in the data set

The product of the largest and smallest numbers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the range of a data set?

Divide the largest number by the smallest

Multiply the largest and smallest numbers

Subtract the smallest number from the largest

Add the largest and smallest numbers

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example where the largest number is 8 and the smallest is 1, what is the range?

6

7

8

9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in calculating the range?

Identify the smallest number

Identify the largest number

Subtract the smallest number from the largest

Add all the numbers together

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common mistake when calculating the range?

Multiplying the numbers instead of subtracting

Not writing down the final answer

Adding the numbers instead of subtracting

Forgetting to subtract the smallest number

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the second example, if the largest number is 21 and the smallest is 5, what is the range?

16

15

17

18

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to calculate the range correctly?

To understand how spread out the data is

To calculate the sum of the data set

To find the median of the data set

To determine the average of the data set

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