11th Class Statistics MCQS Chapter 3

11th Class Statistics MCQS

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

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