Here Are 50 Quizzes / Multiple-Choice Questions (Mcqs) Related To
STATISTICS 2023
Along With Their Correct Answers
1. What is the mean of the data set {10, 15, 20, 25, 30}?
a) 18
b) 20 (Correct Answer)
c) 22
d) 25
2. The middle value in an ordered data set is known as the:
a) Range
b) Median (Correct Answer)
c) Mode
d) Mean
3. The measure of how spread out the values in a data set are is called:
a) Mean
b) Median
c) Variance
d) Standard Deviation (Correct Answer)
, 4. If the correlation coefficient between two variables is -0.75, it indicates:
a) Strong positive correlation
b) Weak negative correlation (Correct Answer)
c) No correlation
d) Strong negative correlation
5. A skewed distribution with a long tail on the right is known as:
a) Positively skewed (Correct Answer)
b) Negatively skewed
c) Symmetrical
d) Normal distribution
6. In a binomial distribution, the sum of the probabilities of all possible outcomes
is equal to:
a) 0
b) 1 (Correct Answer)
c) -1
d) 0.5
7. The z-score measures the number of standard deviations a data point is from
the:
STATISTICS 2023
Along With Their Correct Answers
1. What is the mean of the data set {10, 15, 20, 25, 30}?
a) 18
b) 20 (Correct Answer)
c) 22
d) 25
2. The middle value in an ordered data set is known as the:
a) Range
b) Median (Correct Answer)
c) Mode
d) Mean
3. The measure of how spread out the values in a data set are is called:
a) Mean
b) Median
c) Variance
d) Standard Deviation (Correct Answer)
, 4. If the correlation coefficient between two variables is -0.75, it indicates:
a) Strong positive correlation
b) Weak negative correlation (Correct Answer)
c) No correlation
d) Strong negative correlation
5. A skewed distribution with a long tail on the right is known as:
a) Positively skewed (Correct Answer)
b) Negatively skewed
c) Symmetrical
d) Normal distribution
6. In a binomial distribution, the sum of the probabilities of all possible outcomes
is equal to:
a) 0
b) 1 (Correct Answer)
c) -1
d) 0.5
7. The z-score measures the number of standard deviations a data point is from
the:
