Statistics for Business

It is one of the measures of central tendency

• Mean deviation

• Standard deviation

• Median

• Correlation

The other name of cumulative frequency curve is

• Histogram

• Historigram

• Ogive

• Pie diagram

Second Quartile is nothing but

• Mode

• Mean

• Median

• Geometric mean

The positive square root of variance is

• MD

• SD

• Range

• QD

If Mean ˃ Mode, then skewness is ____________.

• No skewness

• Negative

• Positive

• None of these

Standard deviation of the values 10, 10, 10, 10, 10 and 10 is ________.

• 1

• 0

• 2

• 4

If Mean = 50, Mode = 45 and S.D = 10, Skp = ______.

• 0

• -0.5

• 0.5

• 1

The correlation is said to be positive

• When the values of two variables move in the same direction

• When the values of two variables move in the opposite direction

• When the values of two variables would not change

• None of these

The co-efficient of correlation is not affected by

• Change of origin

• Change of scale

• Both Change of origin and scale

• None

Depending on the numbers in a data set, the sum of deviations from the arithmetic mean for the set of numerical data may be greater than or less than zero.

• True

• False