# Quiz: Business Mathematics & Statistics

8 Questions | Attempts: 2191
Share  Settings  Business Mathematics & Statistics Chapter No. 26 to 32

• 1.
For a data, if mean > median then its distribution is:
• A.

Asymmetrical

• B.

Symmetrical

• C.

Left asymmetrical

• D.

Right asymmetrical

• 2.
In a positively skewed distribution:
• A.

The mean, median, and mode are all equal.

• B.

The mean is larger than the median

• C.

The median is larger than the mean.

• D.

The standard deviation must be larger than the mean or the median.

• 3.
As the regression line equation is y = ax + b, where b is:
• A.

The x-intercept

• B.

The y-intercept

• C.

The slope

• D.

None of these

• 4.
If strength of the association between X and Y is very weak, then r = ?
• A.

R = - 1

• B.

R = 0

• C.

R = 1

• D.

R = 2

• 5.
My estimated regression line is Y = 17 + 4X. The intercept is equal to:
• A.

17

• B.

4

• C.

21

• D.

13

• 6.
The variance of the 3, 3, 3, 3, 3 is:
• A.

Zero

• B.

One

• C.

Twice the standard standard deviation

• D.

Half of the range

• 7.
The regression equation should only used:
• A.

When there is significant linear correlation

• B.

When there is significant mluticorrelation

• C.

When there is significant quadratic correlation

• D.

When there is significant simple correlation

• 8.
The point where a straight line cuts the x-axis is called:
• A.

Slope

• B.

Starting point

• C.

Y-intercept

• D.

X-intercept

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