MBA/MBA Business Statistics Mcq Set 1 Sample Test,Sample questions

1.Large

2.Zero

3.Small

4.Negative

1.Positive

2.Negative

3.Zero

4.Three

1.0 and 1

2.1 and +1

3.-1 and 0

4.-2 and +2

Question: `For a positively skewed distribution, mean is always:`

1.Less than the median

2.Less than the mode

3.Greater than the mode

4.Difficult to tell

1.β1 > 0

2.β1 < 0

3.β1 = 0

4.β1= 3

Question: `Half of the difference between upper and lower quartiles is called:`

1.Interquartile range

2.Quartile deviation

3.Mean deviation

4.Standard deviation

1.Small

2.Large

3.Normal

4.Symmetrical

Question: `If mean=25, median=30 and standard deviation=15, the distribution will be:`

1.Symmetrical

2.Positively skewed

3.Negatively skewed

4.Normal

1.0

2.4.472

3.4.236

4.2.236

1.10

2.15

3.25

4.35

1.-48

2.40

3.-40

4.48

Question: `If the third moment about mean is zero, then the distribution is:`

1.Positively skewed

2.Positively skewed

3.Symmetrical

4.Mesokurtic

1.Large

2.Small

3.Normal

4.Symmetric

1.S.D(X)

2.a S.D(X)

3.∣a∣ S.D(X)

4.a S.D(X) + b

1.a Q.D(X) + b

2.∣a∣ Q.D(X)

3.Q.D(X) - b

4.∣b∣ Q.D(X)

1.Range(X)

2.a range(X) + b

3.a range(X) - b

4.∣a∣ range(X)

Question: `If Y = aX ± b, where a and b are any two numbers but a ∦ 0, then M.D(Y) is equal to:`

1.M.D(X)

2.M.D(X) ± b

3.∣a∣ M.D(X)

4.M.D(Y) + M.D(X)

1.81

2.27

3.9

4.3

1.50

2.200

3.100

4.No change

1.5

2.15

3.20

4.25

Question: `In quality control of manufactured items, the most common measure of dispersion is:`

1.Range

2.Average deviation

3.Standard deviation

4.Quartile deviation

Question: `Mean deviation computed from a set of data is always:`

1.Negative

2.Equal to standard deviation

3.More than standard deviation

4.Less than standard deviation

Question: `Moment ratios β1 and β2 are:`

1.Independent of origin and scale of measurement

2.Expressed in original unit of the data

3.Unit less quantities

4.Both (a) and (c)

1.2

2.10

3.14

4.100

1.Mean

2.Median

3.Mode

4.Lower quartile

1.Skewness

2.Symmetry

3.Dispersion

4.Kurtosis

Question: `The first three moments of a distribution about the mean X are 1, 4 and 0. The distribution is:`

1.Symmetrical

2.Skewed to the left

3.Skewed to the right

4.Normal

1.6

2.0

3.3

4.2

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

1.Mean

2.Median

3.Range

4.Coefficient of variation

Question: `The measurements of spread or scatter of the individual values around the central point is called:`

1.Measures of dispersion

2.Measures of central tendency

3.Measures of skewness

4.Measures of kurtosis

1.Positive

2.Zero

3.Negative

4.Equal to 2

Question: `The measures used to calculate the variation present among the observations in the unit of the variable is called:`

1.Relative measures of dispersion

2.Coefficient of skewness

3.Absolute measures of dispersion

4.Coefficient of variation

Question: `The measures used to calculate the variation present among the observations relative to their average is called:`

1.Coefficient of kurtosis

2.Absolute measures of dispersion

3.Quartile deviation

4.Relative measures of dispersion

Question: `The moments about mean are called:`

1.Raw moments

2.Central moments

4.All of the above

Question: `The positive square root of the mean of the squares of the cleviations of observations from their mean is called:`

1.Variance

2.Range

3.Standard deviation

4.Coefficient of variation

1.140

2.143

3.146

4.70

Question: `The ratio of the standard deviation to the arithmetic mean expressed as a percentage is called:`

1.Coefficient of standard deviation

2.Coefficient of skewness

3.Coefficient of kurtosis

4.Coefficient of variation

Question: `The scatter in a series of values about the average is called:`

1.Central tendency

2.Dispersion

3.Skewness

4.skewness

Question: `The second and fourth moments about mean are 4 and 48 respectively, then the distribution is:`

1.Leptokurtic

2.Platykurtic

3.Mesokurtic or normal

4.Positively skewed

Question: `The standard deviation is independent of:`

1.Change of origin

2.Change of scale of measurement

3.Change of origin and scale of measurement

4.Difficult to tell

1.-5

2.+5

3.0

4.-25

Question: `The standard deviation one distribution dividedly the mean of the distribution and expressing in percentage is called:`

1.Coefficient of Standard deviation

2.Coefficient of skewness

3.Coefficient of quartile deviation

4.Coefficient of variation

1.Mean

2.Mode

3.Median

4.Upper quartile

1.Different

2.Square

3.Square root

4.Same

Question: `To compare the variation of two or more than two series, we use`

1.Combined standard deviation

2.Corrected standard deviation

3.Coefficient of variation

4.Coefficient of skewness

Question: `Which measure of dispersion can be computed in case of open-end classes?`

1.Standard deviation

2.Range

3.Quartile deviation

4.Coefficient of variation

Question: `Which measure of dispersion has a different unit other than the unit of measurement of values:`

1.Range

2.Standard deviation

3.Variance

4.Mean deviation

Question: `Which of the following is an absolute measure of dispersion?`

1.Coefficient of variation

2.Coefficient of dispersion

3.Standard deviation

4.Coefficient of skewness

Question: `Which of the following measures of dispersion is expressed in the same units as the units of observation?`

1.Variance

2.Standard deviation

3.Coefficient of variation

4.Coefficient of standard deviation

Question: `Which of the following statements is correct?`

1.The standard deviation of a constant is equal to unity

2.The sum of absolute deviations is minimum if these deviations are taken from the mean.

3.The second moment about origin equals variance

4.The variance is positive quantity and is expressed in square of the units of the observations

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