assignment 1

The ages of 5 employees are 28, 32, 26, 30, and 34. What is their average age?

• A) 28

• B) 30

• C) 32

• D) 34

Find the median of the dataset: 15, 22, 13, 19, 25.

• A) 15

• B) 19

• C) 22

• D) 25

In the sequence 7, 9, 13, 9, 15, 9, 17, which number is the mode?

• A) 7

• B) 13

• C) 9

• D) 15

Calculate the range for the numbers: 45, 38, 52, 47, 41.

• A) 14

• B) 9

• C) 7

• D) 15

Given the numbers 4, 8, 6, 5, and 7, what is the variance?

• A) 2.5

• B) 2

• C) 3

• D) 3.5

For the dataset 10, 12, 14, 16, 18, determine the standard deviation.

• A) 2.83

• B) 3.16

• C) 3.74

• D) 4.24

The following table shows the marks obtained by students in an exam:

Find the mean of the given data.

• A) 25

• B) 27

• C) 29

• D) 31

The given table shows the marks distribution in a class:

What is the standard deviation of the data?

• 
  A) 15
  

• B) 18

• C) 20

• D) 22

The following table shows the weekly working hours of employees in a company:

What is the cumulative frequency of employees working up to 50 hours?

• A) 45

• B) 18

• C) 12

• D) 35

Calculate the average of the following numbers: 20, 30, 25, 35, 40.

• C) 35

• D) 40

• B) 30

• A) 25