Statistics Class 10th

What is the mean of the following data set: 5, 7, 9, 11, 13?

• 9

• 7

• 12

• 10

Calculate the median of the data set: 15, 18, 21, 24, 27.

• 27

• 18

• 21

• 24

Find the mode of the data set: 3, 5, 7, 5, 9, 5, 11.

• 7

• 3

• 5

• 9

If the mean of a data set is 20 and the sum of all values is 100, how many values are in the data set?

• 3

• 10

• 5

• 7

What is the range of the data set: 10, 15, 20, 25, 30?

• 20

• 35

• 25

• 10

Given the data set: 2, 4, 6, 8, 10, calculate the mean absolute deviation.

• 2.4

• 7.8

• 3.2

• 5.6

Determine the weighted mean of the data set: {2, 3, 4, 5} with corresponding weights {1, 2, 3, 4}.

• 3.2

• 2.6

• 3.8

• 4.5

If the mean of a data set is 25 and one value is 30, what is the sum of the remaining values in the data set?

• 20

• 35

• 10

• 15

Calculate the midrange of the data set: 12, 15, 18, 21, 24, 27.

• 7.5

• 10.5

• 25.5

• 18.5

What is the difference between the mean and median known as in statistics?

• Variance

• Standard Deviation

• Confidence Interval

• Skewness