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Skewness,Kurtosis and Moments Online Exam Quiz

Important questions about Skewness,Kurtosis and Moments. Skewness,Kurtosis and Moments MCQ questions with answers. Skewness,Kurtosis and Moments exam questions and answers for students and interviews.

If for a distribution the difference of first quartile and median is greater than difference of median and third quartile then the distribution is classified as

Options

A : a. absolute open ended

B : b. positively skewed

C : c. negatively skewed

D : d. not skewed at all

If the first quartile and third quartile are as 32 and 35 respectively with the median of 20 then distribution is skewed to

Options

A : a. lower tail

B : b. upper tail

C : c. close end tail

D : d. open end tail

If the beta one is 9, beta two is 11 then coefficient of skewness is

Options

A : a. 0.589

B : b. 0.689

C : c. 0.489

D : d. 0.889

The measurement techniques used to measure the extent of skewness in data set values are called

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A : a. measure of distribution width

B : b. measure of median tail

C : c. measure of tail distribution

D : d. measure of skewness

The statistical measures such as average deviation, standard deviation and mean are classified as part of

Options

A : a. deciles system

B : b. moment system

C : c. percentile system

D : d. quartile system

The method of calculating skewness which is based on the positions of quartiles and median in a distribution is called

Options

A : a. Gary's coefficient of skewness

B : b. Sharma's coefficient of skewness

C : c. Bowley's coefficient of skewness

D : d. Jack Karl's coefficient of skewness

The median of a moderately skewed distribution is 8, third quartile is 12, first quartile is 8 and inter-quartile range is 4 then relative coefficient of skewness is

Options

A : a. ±8

B : b. ±1

C : c. ±9

D : d. ±11

The moment about population mean which is expressed in standard units is denoted by

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A : a. Latin letter beta

B : b. Greek letter gamma

C : c. Greek letter alpha

D : d. Greek letter beta

The convenient summarizing method which is used to describe the population characteristics rather than explaining samples of that population is classified as

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A : a. unstable moments

B : b. stable moments

C : c. lower moments

D : d. higher moments

The moment about mean which is indication whether distribution is symmetrical or asymmetrical is considered as

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A : a. first moment

B : b. third moment

C : c. second moment

D : d. fourth moment

The kurtosis defines the peakness of the curve in the region which is

Options

A : a. around the mode

B : b. around the mean

C : c. around the median

D : d. around the variance

The frequency distribution is considered as negatively skewed if all the values of distribution moves to

Options

A : a. lower tail

B : b. median tail

C : c. variance tail

D : d. upper tail

In kurtosis, the beta is greater than three and quartile range is preferred for

Options

A : a. mesokurtic distribution

B : b. mega curve distribution

C : c. leptokurtic distribution

D : d. platykurtic distribution

In measures of skewness, the absolute skewness is equal to

Options

A : a. mean+mode

B : b. mean-mode

C : c. mean+median

D : d. mean-median

Considering the moments in standard units, the fourth alpha with power 1 is equivalent to

Options

A : a. beta three

B : b. beta four

C : c. beta one

D : d. beta two

For the Karl Pearson's skewness coefficient the value of skewness must be in limits

Options

A : a. ±3

B : b. ±5

C : c. ±4

D : d. ±2

The distribution is considered leptokurtic if

Options

A : a. beta three is less than three

B : b. beta two is greater than two

C : c. beta three is greater than three

D : d. beta two is greater than three

The statistical measures such as deciles, percentiles, median and quartiles are classified as part of

Options

A : a. percentile system

B : b. quartile system

C : c. deciles system

D : d. moment system

For the ungrouped data in calculation of moments from mean, the formula to calculate this measure is

Options

A : a. 1?n ?(x-mean)r

B : b. 2?n ?(x-mean)r

C : c. 2?n ?(x+mean)r

D : d. 2?n ?(x+mean)x

The coefficient of skewness method in which the basis of measuring is deciles and percentiles is classified as

Options

A : a. Gary's coefficient of skewness

B : b. Sharma's coefficient of skewness

C : c. Kelly's coefficient of skewness

D : d. Jack Karl's coefficient of skewness

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