(A) 0 and 1, including 0 and 1
(B) 0 and 1, excluding 0 and 1
(C) –1 and 1, including –1 and 1
(D) –1 and 1, excluding –1 and 1
Category: Statistics Mcqs
Which statistical method is used to estimate the relationship between two variables?
(A) Correlation
(B) Regression
(C) Covariance
(D) ANOVA
If an experiment is repeated independently for a large number of times, it converges to a
(A) expected value
(B) variance – mean
(C) normal distribution
(D) uniform distribution
Which of the following statement is true
Which of the following statement is true about the following two data sets?
Data Set 1: 4, 3, 5, 7, 6
Data Set 2: 2, 10, 1, 9, 3
(A) mean and variance are equal
(B) mean and variance are not equal
(C) mean is equal but variance is not
(D) variance is equal but mean is not
What are average marks?
In a module, quiz contributes 10%, assignment 30%, and final exam contributes 60% towards the final result. A student obtained 80% marks in quiz, 65% in assignment, and 75% in the final exam. What are average marks?
(A) 64.5%
(B) 68.5%
(C) 72.5%
(D) 76.5%
What type of distribution is this?
In a university, average height of students is 165 cm. Now, consider the following Table,
Students | 16 | 20 | 24 | 20 | 16 |
---|---|---|---|---|---|
HEIGHT | 160–162 | 162–164 | 164–166 | 166–168 | 168–170 |
(A) Normal
(B) Uniform
(C) Poisson
(D) Binomial
What is the average of 3%, 7%, 10%, and 16% ?
(A) 8%
(B) 9%
(C) 10%
(D) 11%
The arithmetic mean of all possible outcomes is known as
(A) expected value
(B) critical value
(C) variance
(D) standard deviation
Which of the following cannot be the value of a correlation coefficient?
(A) –1
(B) –0.75
(C) 0
(D) 1.2
Var (X) = ?
(A) E[X2]
(B) E[X2] – E[X]
(C) E[X2] + E[X]2
(D) E[X2] – E[X]2