13.Statistics Quiz

What is the formula for calculating the range?

• Maximum value + Minimum Value

• Maximum value - Minimum Value

• Maximum value * Minimum Value

• Maximum value / Minimum Value

What is the formula for mean deviation of ungrouped data?

• Sum of deviations / Number of observations

• Sum of absolute deviations / Number of observations

• Sum of squares of deviations / Number of observations

• Sum of cubes of deviations / Number of observations

What is the formula for mean deviation of grouped data?

• Sum of cubes of deviations / Number of observations

• Sum of absolute deviations / Number of observations

• Sum of deviations / Number of observations

• Sum of squares of deviations / Number of observations

What is the formula for variance and standard deviation of ungrouped data?

• Sum of cubes of deviations / Number of observations

• Sum of squares of deviations / (Number of observations - 1)

• Sum of absolute deviations / Number of observations

• Sum of squares of deviations / Number of observations

What is the formula for variance and standard deviation of a Discrete Frequency Distribution?

• Sum of cubes of deviations / Number of observations

• Sum of squares of deviations / (Number of observations - 1)

• Sum of absolute deviations / Number of observations

• Sum of squares of deviations / Number of observations

What is the formula for variance and standard deviation of a Continuous Frequency Distribution?

• Sum of squares of deviations / Number of observations

• Sum of squares of deviations / (Number of observations - 1)

• Sum of cubes of deviations / Number of observations

• Sum of absolute deviations / Number of observations

What is the range if the maximum value is 20 and the minimum value is 5?

• 25

• 15

• 30

• 10

If the mean deviation of a set of data is 8, and the number of observations is 10, what is the sum of the absolute deviations?

• 88

• 72

• 64

• 80

If the variance of a set of data is 25, and the number of observations is 5, what is the standard deviation?

• 5

• 5√5

• 25

• 125

What is the range if the maximum value is 100 and the minimum value is 50?

• 50

• 100

• 150

• 200