# MBA/MBA Business Statistics Mcq Set 2 Sample Test,Sample questions

1.Second moment

2.Kurtosis

3.Skewness

4.Variation

## Question: `First two moments about the value 2 of a variable are 1 and 16. The variance will be:`

1.13

2.15

3.16

4.Difficult to tell

1.0

2.6

3.18

4.12

## Question: `Given below the four sets of observations. Which set has the minimum variation?`

1.46, 48, 50, 52, 54

2.30, 40, 50, 60, 70

3.40, 50, 60, 70, 80

4.48, 49, 50, 51, 52

1.1

2.-1

3.2/6

4.2

1.1

2.2

3.4

4.-2

## Question: `If mean=50, mode=40 and standard deviation=5, the distribution is:`

1.Positively skewed

2.Negatively skewed

3.Symmetrical

4.Difficult to tell

1.3

2.1/3

3.2/3

4.1

## Question: `If the sum of deviations from median is not zero, then a distribution will be:`

1.Symmetrical

2.Skewed

3.Normal

4.All of the above

## Question: `If the third central is negative, the distribution will be:`

1.Symmetrical

2.Positively skewed

3.Negatively skewed

4.Normal

1.100

2.20

3.10

4.0

1.45%

2.50%

3.60%

4.65%

1.50

2.35

3.40

4.25

1.0

2.Q1

3.Q3

4.1

1.Middle

2.Left tail

3.Right tail

4.Anywhere

## Question: `The average of squared deviations from mean is called:`

1.Mean deviation

2.Variance

3.Standard deviation

4.Coefficient of variation

1.Constant

2.Flatness

3.Variation

4.skewness

1.-2

2.3

3.9

4.13

1.10.80

2.10.08

3.12.08

4.12.88

## Question: `The lack of uniformity or symmetry is called:`

1.Skewness

2.Dispersion

3.Kurtosis

4.Standard deviation

## Question: `The lower and upper quartiles of a distribution are 80 and 120 respectively, while median is 100. The shape of the distribution is:`

1.Positively skewed

2.Negatively skewed

3.Symmetrical

4.Normal

1.Mean

2.Mode

3.Median

4.Zero

1.67

2.68

3.69

4.3

## Question: `The measure of dispersion which uses only two observations is called:`

1.Range

2.Quartile deviation

3.Mean deviation

4.Standard deviation

## Question: `The moments about origin are called:`

2.Raw moments

3.Both (a) and (b)

4.(d)Neither (a) nor (b)

1.0

2.10

3.-10

4.20

1.16

2.4

3.2

4.0

1.Mean

2.Mode

3.Median

4.Zero

## Question: `The value of β2 can be:`

1.Less than 3

2.Greater than 3

3.Equal to 3

4.All of the above

## Question: `The value of standard deviation changes by a change of:`

1.Origin

2.Scale

3.Algebraic signs

4.None of these

1.Greater than 8

2.8

3.Less than 8

4.8 - 5 = 3

## Question: `Three factories A, B, C have 100, 200 and 300 workers respectively. The mean of the wages is the same in the three factories. Which of the following statements is true?`

1.There is greater variation in factory C.

2.Standard deviation in. factory A is the smallest.

3.Standard deviation in all the three factories are equal

4.None of the above

1.13

2.17

3.25

4.-1.

## Question: `Which of the following is a unit free quantity:`

1.Range

2.Standard deviation

3.Coefficient of variation

4.Arithmetic mean

## Question: `Which of the following is correct in a negatively skewed distribution?`

1.The arithmetic mean is greater than the mode

2.The arithmetic mean is greater than the median

3.(Q3 - Median) = (Median - Q1)

4.(Q3 - Median) < (Median - Q1)

## Question: `Which of the following measures of dispersion is independent of the units employed?`

1.Coefficient of variation

2.Quartile deviation

3.Standard deviation

4.Range

## Question: `Which of the following statements is false?`

1.The standard deviation is independent of change of origin

2.If the moment coefficient of kurtosis β2 = 3, the distribution is mesokurtic or normal.

3.If the frequency curve has the same shape on both sides of the centre line which divides the curve into two equal parts, is called a symmetrical distribution.

4.Variance of the sum or difference of any two variables is equal to the sum of their respective variances

## More MCQS

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