A company has recorded its monthly sales for the first half of the year. The data is as follows:
Draw a bar graph representing the data.

A)

B)

C)

D)

The following are the scores obtained by 20 students in a mathematics test 75, 108, 82, 130, 88, 125, 90, 112, 92, 95, 135, 98, 100, 102, 128, 105, 122, 110, 115, and 120.

Create a box and whisker plot to represent the distribution of scores.

A)

B)

C)

D)

A company’s revenue increased from $500,000 last year to $600,000 this year. Calculate the percentage increase in revenue.

A) 30%

B) 20%

C) 25%

D) 15%

The test scores of 20 students are as follows:

50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 60, 65, 70, 75, 80, 85, 90, 95, 50, and 55. Construct a histogram to represent the student’s distribution.

A) Uniform

B) Skewed

C) Symmetric

D) Unsymmetric

You have the following dataset representing the scores of students in a math test: 55, 57, 60, 61, 65, 67, 68, 70, 70, 72, 73, 75, 75, 78, 80, 82, 84, 85, 88, 90, 92, 95, 98, and 100. Identify the outliers in the dataset using the Interquartile Range (IQR) method.

A) 47.56, 112.75

B) 49.23, 114.23

C) 45.23, 113.69

D) 42.75, 112.75

Which group has the maximum number of workers?

A) 820 - 830

B) 800 - 810

C) 830 – 840

D) 890 - 900

What is the mode of the number of books read?

A) 2

B) 7

C) 10

D) 5

Given the data below, create a bar graph that represents the number of apples sold in a week. Draw a bar graph representing the data.

A)

B)

C)

D)

Display the data in a circle graph.

A)

B)

C)

D)

Calculate the mean absolute deviation (MAD) for the heights (in centimeters) of a group of students: 160, 165, 170, 175, 180, and 185.

A) 7.5

B) 7.9

C) 6.9

D) 8.1