Statistics MCQs

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Statistics Quiz

1 / 25

The probability is expressed as a percentage of a particular occurrence can never be:-

2 / 25

Suppose many students take a 10 question quiz, and the mean turns out to be 7.22 answer correct. Suppose the standard deviation turns out to be 0.722. What is coefficient of variation:-

3 / 25

Absolute sum of deviation is minimum from:-

4 / 25

A single card is selected from a deck. Find the probability that it is a queen or a black card:-

5 / 25

Two dice are rolled. The probability that one or both numbers on the faces will be 4 is:-

6 / 25

0! is equal to:-

7 / 25

When two events can not occur at the same time, they are said to be______ events:-

8 / 25

How many permutations of size 3 can be constructed from the set ( A,B,C,D,E) :-

9 / 25

According to empirical rule, approximately  what percent of the data should lie within μ±0:-

10 / 25

The median is better choice than the mean for measure of central tendency if the data:-

11 / 25

Which scale is the simplest form of measurement:-

12 / 25

Which is an expression of the extent to which values are spread out relative to the mean:-

13 / 25

Two outcomes are independent if:-

14 / 25

The term fuzzy truth is used to describe :-

15 / 25

How many different egg signal can be made from 3 red eggs, 2 green eggs, and 2 white eggs:-

16 / 25

A tabulation of cumulative absolute frequency values is useful in determining:-

17 / 25

Which measures of central tendency would be appropriate if you had mostly extremely high scores and extremely low scores on some items measured at the ratio level":-

18 / 25

The first step for constructing frequency distribution:-

19 / 25

In Bayesian inference gamma distribution is used a conjugate prior density with known mean of the ______ distribution:-

20 / 25

When a die is rolled, the probability of getting an odd number less than three is:-

21 / 25

The number of tally sheets count for a group is called:-

22 / 25

Sum of deviations about mean is:-

23 / 25

A histogram is _____ if the left half is a mirror image of the right half:-

24 / 25

If P (A∩B)  =Φ, then P( A ∪ B) = :-

25 / 25

In many counting and probability problems a useful configuration that can be used to represent all the possibilities is the:-

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