11th Class Statistics MCQS Chapter 3

The median divides the data into

Four quarters

Six parts

Two halves

Single unit

For negatively skewed distribution mean______ median ______mode.

<

>

None to these

=

The sum of square of deviations of the observations from their mean is

Maximum

Minimum

Zero

None of these

The mid value of the arrayed data is called

Mean

Median

Geometric mean

Mode

Which of the following is not based upon all the observations.

Mode

G.M

A.M

H.M

The sum of squared deviation is minimum, when deviation are taken form

Mode

Mean

None of these

Median

For an open and distribution, without assuming certain limits it is not possible to find:

Boat A and B

A.M

Median

G.M

Sample mean is an

Biased statistic

Estimated statistic

Updating statistic

Unbiased statistic

In a symmetrical distribution Q₁ = 20, Median = 30 the Q₃ is:

30

40

60

50

In symmetrical distribution mean, median & mode are always.

negative

Equal

zero

Different