**(Directions for Question 1-4)**

Robert owns a bookstore and he recorded the sales of books each week over a specific time period in the form of a line graph. Examine the line graph carefully and answer the following questions.

**1. Calculate how many fewer books were sold in week 8 than in week 7 using the data from the line graph above.**

a) 35

b) 49

c) 65

d) 80

**Answer:** d) 80

**Explanation:** In 7th week the number of books sold = 90

In the 8th week the number of books sold = 10

The difference is 90 – 10 = 80

As a result, 80 fewer books were sold in week 8 than in week 7.

**2. In which two weeks the sale of the books are same?**

a) 2 and 3

b) 4 and 5

c) 3 and 4

d) Both a and b

**Answer:** d) Both a and b.

**Explanation:** If we observe the above graph carefully we can say the sales are same on both a and b.

**3. How many books were sold in the eighth week?**

a) 10

b) 20

c) 30

d) 40

**Answer:** a) 10

**Explanation:** The number of books sold in the eighth week is 10 books.

**4. What is the total number of books sold during the first and sixth weeks?**

a) 60

b) 100

c) 120

d.)140

**Answer:** c) 120

**Explanation:** Number of books sold in the first week = 60

Number of books sold in the sixth week = 60

First week + sixth week = 60 + 60 = 120 books.

**5. The following table provides details about the favourite colours of the group of people.**

Colours |
Yellow | Pink | Blue | Green | Orange |

No. of people |
16 | 20 | 30 | 26 | 35 |

**Create a line graph for the given data.**

**Answer:** Plot the colours on the x-axis and the number of people on the y-axis to create the line graph with the given information.

Data Provided: Yellow = 16, Pink = 20, Blue = 30, Green = 26 and Orange = 35

Therefore, below is the line graph for the provided data:

**(Directions for Question 1-7)**

Kel and Ali were noting the temperature on one particular day. The line graph below shows the temperature from 5 a.m. to 6 p.m. on a particular day.

Examine the line graph and answer the following questions.

**1. When was the temperature 40 degrees Fahrenheit in the morning?**

a) 5 pm

b) 5 am

c) 6 am

d) 11 am

**Answer:** b) 5 am

**2. What was the highest temperature ever recorded?**

a) 60° F

b) 50° F

c) 40° F

d) 0° F

**Answer:** a) 60° F

**3. What is the difference between the highest temperature recorded to the lowest temperature recorded?**

a) 60° F

b) 40° F

c) 20° F

d) 10° F

**Answer:** c) 20° F

**4. At what time the sudden decrease in temperature is recorded?**

a) 2 pm to 5 pm

b) 5 am to 2 pm

c) 5 pm to 6 pm

d) 5 am to 6 am

**Answer:** a) 2 pm to 5 pm

The number of students who graduated from a college between 2009 to 2014 are represented in the following line graph. Examine the line graph and answer the following questions:

**5. In 2009 how many students graduated?**

a) 1400

b) 1700

c) 1600

d) 1800

**Answer:** d) 1800

**6. What is the difference between the number of students who graduated in 2009 to the number of students graduated in 2010?**

a) 600

b) 700

c) 800

d) 900

**Answer:** c) 800

**7. How many students graduated in the year 2012 and 2013 together?**

a) 1800

b) 1900

c) 2000

d) 3600

**Answer:** d) 3600

**(Directions for Question 8-10)**

Albert and Eve are the owners of a startup company, They recorded their profit in the form of a line graph shown below. (profit made in thousands of dollars)

By using the line graph below answer the following questions.

**8. In which year did they make the maximum profit?**

a) 1995

b) 1996

c) 1999

d) 2000

**Answer:** c) 1999

**9. What was the average profit made between 1995 to 2000?**

a) More than 50%

b) Less than 50%

c) Less than 29%

d) More than 100%

**Answer:** a) More than 50%

**10. In which year did they make the minimum profit?**

a) 1995

b) 1996

c) 1997

d) 2000

**Answer:** a) 1995

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