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

1/4

2/12

1/12

1/8

None

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

greater than . 5

less than . 5

greater than 5

less than 5

None

The result of no interest of an experiment is called

Constant

Event

Failure

Success

None

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

11.5

6.29

7.45

None

If P(B/A) = 0.50 and P(A⋂B) = 0.40, then p(A) will be equal to:

0.40

0.50

0.80

None

A fair die is rolled. Probability of getting even face given that face is less than 5 is given by:

1/5

1/6

1/4

1/2

None

If we toss a coin and P(H) = 2P(T), then probability of head is equal to:

2/3

1/2

1/3

None

Two dice are rolled. Probability of getting total less than 4 or total more than 10 is given by:

4/36

1/36

10/36

14/36

None

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

None

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

1/26

3/26

5/26

2/26

None

If three coins are tossed, the number of possible outcomes is:

None

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

Regression

Z-test

None

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

Mode

Median

Mean

None

The data obtained on 26 young healthy adult subjects gave the mean systolic blood pressure as 113.1 mmHg with a standard deviation (SD) of 1 .3 mmHg. Calculate standard error.

5.89 mmHg

1 .3 mmHg

1. 6 mmHg

2. 2 mmHg

None

An arrangement in which the order of the objects selected from a specific pool of objects is important called

Combination

Permutation

Sample space

Factorial

None

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

Probability

TriaL

Random variable

Simple event

None

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

6.5

7.5

5.5

8.5

None

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

None

A letter is chosen at random from the word "Statistics". The probability of getting a vowel is:

3/10

1/10

4/10

2/10

None

When one card is selected at random from a pack of 52 playing cards, the number of possible selections is

104

None

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