﻿ Reading Line Plots / Making Line Plots Worksheet | Problems & Solutions
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# Reading Line Plots / Making Line Plots Worksheet

Reading Line Plots / Making Line Plots Worksheet
• Page 1
1.
Use the line plot to find the difference between the maximum and the minimum temperatures.

 a. 1°C b. 3°C c. 2°C d. 4°C

#### Solution:

Maximum temperature recorded = 24°C.

Minimum temperature recorded = 20°C.

Difference between the maximum and minimum temperatures = 24°C - 20°C = 4°C.

Correct answer : (4)
2.
Identify an appropriate line plot that shows 10 red, 6 green, and 6 yellow balls.

 a. Graph-2 b. Graph-3 c. Graph-1 d. Graph-4

#### Solution:

The number of balls in the data is indicated by cross marks above the color of the ball.

The number of red balls = 10.

The number of green balls = 6.

The number of yellow balls = 6.

By comparing the above steps with the line plots, graph-1 is the appropriate line plot.

Correct answer : (3)
3.
A line plot displays data using a _________.
 a. line graph b. bar graph c. pie chart d. number line

#### Solution:

A line plot displays data using a number line.

Correct answer : (4)
4.
The line plot shows the number of chocolates students of a class ate in a day. Find the number of students who ate the minimum number of chocolates.

 a. 4 b. 3 c. 5 d. 1

#### Solution:

A line plot displays data using a number line.

In the line plot, the numbers on the number line represent the number of chocolates eaten.

Notice that 5 students ate 1 chocolate each.

Correct answer : (3)
5.
The line plot shows the number of burgers students ate in a day. Find the number of students who ate the maximum number of burgers.

 a. 5 b. 4 c. 2 d. None of the above

#### Solution:

A line plot displays data using a number line.

In the line plot, the numbers on the number line represent the number of burgers consumed.

Notice that 4 students consumed five burgers each.

Correct answer : (2)
6.
The line plot represents a data set of numbers. List the data values of this data set.

 a. 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, and 5 b. 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, and 5 c. 1, 1, 1, 1, 3, 3, 3, 4, 4, 4, 4, 4, 4, and 5 d. 1, 1, 1, 2, 3, 3, 4, 4, 4, and 5

#### Solution:

A line plot displays data using a number line.

The number line represents the numbers (1, 2, 3, 4, and 5) that are there in the data set.

The number of times each number occurs in the data set is indicated by cross marks above the respective number on the number line.

From the graph, we notice that the numbers 1, 2, 3, 4, and 5 occur 4 times, 2 times, 3 times, 6 times, and 1 time in the data set.

So, the data values in the data set are 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, and 5.

Correct answer : (1)
7.
The number of candies that students have in their bags is shown in the line plot. Find the number of students who have 23 candies.

 a. 6 b. 4 c. 5 d. 7

#### Solution:

The number of candies each student has is represented on the number line.

In a line plot, the number of times a data value occurs in the data set is indicated by cross marks above the respective data value on the number line.

The number of cross marks above 23 is 4.

So, the number of students having 23 candies in their bags is 4.

Correct answer : (2)
8.
The number of students having pizzas and burgers in their lunch boxes is shown in the line plot. Find the total number of students surveyed.

 a. 10 b. 13 c. 11 d. 12

#### Solution:

The number of students is represented by using cross marks above the line.

The number of cross marks above pizza is 4.

The number of cross marks above burger is 6.

The total number of students shown in the line plot = the number students having pizza in their lunch boxes + the number of students having burger in their lunch boxes.

= 4 + 6
[Substitute the values.]

= 10

The total number of students shown in the line plot is 10.

Correct answer : (1)
9.
The line plot repesents the ages of students in a class. Find the number of students who are at least 12 years old.

 a. 6 b. 4 c. 10 d. 9

#### Solution:

The number line represents the students age.

The number of times a data value occurs in the data set is indicated by cross marks above the respective data value on the number line.

The number of students who are 12 years old is indicated by 6 cross marks above the data value 12.

The number of students who are 13 years old = 3.

The number of students who are 14 years old = 1.

The total number of students who are at least 12 years old = the number of 12 years old students + the number of 13 years old students + the number of 14 years old students.

= 6 + 3 + 1
[Substitute the values.]

= 10

So, the number of students who are at least 12 years old in that class is 10.

Correct answer : (3)
10.
The points scored by students is shown in the line plot. Which two scores were scored by an equal number of students?

 a. 20 and 21 b. 21 and 23 c. 21 and 22 d. 20 and 23

#### Solution:

The number of students is indicated by using the cross mark above the points.

The number of cross marks above 20 is 4, above 21 is 3, above 22 is 5, above 23 is 3 and above 24 is 2.

The number of students got scores 21 and 23 are equal.

Correct answer : (2)

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