Statistics and Probability

This page provides multiple-choice questions (MCQs) on Statistics and Probability topics, including descriptive statistics, probability distributions, and hypothesis testing. Test your knowledge and understanding of these topics with these MCQs.

Challenge yourself to get the highest score. Twenty (20) MCQ questions from our test bank will be randomly shown for every attempt. Passing mark for this test is 70%.

Welcome to Statistics and Probability.

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A die and a coin are tossed together. Probability of getting head on the coin is:

1/12

6/10

1/2

The outcome of tossing a coin is a:

Certain event

Mutually exclusive event

Simple event

Compound event

If a sample S = {1, 2}, the number of all possible sub-sets are:

To label a statistical test definitely significant, the p-value should be

greater than . 5

less than . 5

greater than 5

less than 5

Two dice are rolled. Probability of getting similar faces is:

1/6

2/3

1/36

5/36

For the following 11 hypertensive patients compute mean deviation from the median. 184, 17 , 168, 188, 162, 164, 174, 172, 178, 166, 188

9.8

7.45

6.29

11.5

Calculate the median for the following data. 6, 7, 8, 1 , 11, 2, 3, 2, 8, 8

7.5

8.5

5.5

6.5

When a die and a coin are rolled together, the number of possible outcomes is:

Urinary concentration of lead in 15 rural children ( milimole per litre per 24 hour) is .2, 2.6, .1, 1.1, .4, 2. , .8, 1.3, 1.2, 1.5, 3.2, 1.7, 1.9, 1.9, 2.2 Calculate median for the above data.

1.4

1.5

1.2

The digits 1, 2, 3, 4, 5 are the roll numbers of 5 students. These roll numbers are written on the paper slips and two paper slips are selected at random without replacement. What is the number of possible combinations?

The six faces of the die are called equally likely if the die is:

Round

Fair

Small

Six-faced

Twenty-five children are chosen randomly from a school playground. Their heights are measured when they first come into school the next morning, and again just before they go home that same evening. What statistical test could be used to test the hypothesis that their morning heights are no different from their evening heights?

unpaired t-test

Paired t-test

Z-test

Regression

A letter from the English alphabet is chosen at random. Probability that the letter so chosen precedes m and is a vowel is

2/26

5/26

1/26

3/26

Calculate the Standard Deviation for the following data:- 1 , 12, 8, 1 , 6, 4, 8, 1

1.85

2.56

3.46

2.89

In the simultaneous tossing of two perfect dice, the probability of obtaining 4 as the sum of the resultant faces is

1/8

1/12

1/4

2/12

Two books are to be selected at random without replacement out of four books. Then number of possible selections are:

MCQ 6.49 Two balls are selected at random with replacement from a bag containing 3 red, 3 black and 2 green balls. The number of possible outcomes is:

128

When two dice are rolled, the maximum total on the two faces of the dice will be:

Which of the Statistical average takes into account all the numbers equally?

Mean

Median

Mode

A number between 0 and 1 that is use to measure uncertainty is called:

Random variable

Simple event

Probability

TriaL

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