Here are 50 multiple-choice questions (MCQs) with options and answers on statistics,
focusing on calculations and fundamental concepts.
Measures of Central Tendency
1. What is the mean of the numbers 5, 10, 15, 20, 25?
a) 10
b) 15
c) 20
d) 25
Answer: b) 15
2. The mode of the numbers 2, 3, 4, 4, 5, 5, 5, 6 is:
a) 4
b) 5
c) 6
d) 3
Answer: b) 5
3. Find the median of the numbers 9, 15, 20, 25, 30.
a) 20
b) 15
c) 25
d) 30
Answer: a) 20
4. The mode is best described as:
a) The most frequently occurring value
b) The middle value of a dataset
c) The sum of all values divided by the number of values
d) The difference between maximum and minimum values
Answer: a) The most frequently occurring value
5. If the mean and median are equal, the data is likely to be:
a) Skewed
b) Symmetrical
c) Bimodal
d) Uniform
Answer: b) Symmetrical
Measures of Dispersion
6. Which measure indicates how spread out the values in a dataset
are?
, a) Mean
b) Mode
c) Range
d) Median
Answer: c) Range
7. The variance is the:
a) Square root of the standard deviation
b) Sum of all values divided by number of values
c) Square of the standard deviation
d) None of the above
Answer: c) Square of the standard deviation
8. Find the range of the numbers 5, 8, 10, 15, 20.
a) 5
b) 10
c) 15
d) 20
Answer: c) 15
9. If standard deviation is 4, what is the variance?
a) 2
b) 8
c) 12
d) 16
Answer: d) 16
10. Coefficient of variation (CV) is calculated as:
a) (Standard deviation / Mean) × 100
b) (Mean / Standard deviation) × 100
c) Mean × Standard deviation
d) Mean + Standard deviation
Answer: a) (Standard deviation / Mean) × 100
Probability
11. The probability of an event ranges between:
a) -1 to 1
b) 0 to 1
c) 0 to 100
d) -∞ to +∞
Answer: b) 0 to 1
12. A fair die is rolled. The probability of getting an odd number is:
focusing on calculations and fundamental concepts.
Measures of Central Tendency
1. What is the mean of the numbers 5, 10, 15, 20, 25?
a) 10
b) 15
c) 20
d) 25
Answer: b) 15
2. The mode of the numbers 2, 3, 4, 4, 5, 5, 5, 6 is:
a) 4
b) 5
c) 6
d) 3
Answer: b) 5
3. Find the median of the numbers 9, 15, 20, 25, 30.
a) 20
b) 15
c) 25
d) 30
Answer: a) 20
4. The mode is best described as:
a) The most frequently occurring value
b) The middle value of a dataset
c) The sum of all values divided by the number of values
d) The difference between maximum and minimum values
Answer: a) The most frequently occurring value
5. If the mean and median are equal, the data is likely to be:
a) Skewed
b) Symmetrical
c) Bimodal
d) Uniform
Answer: b) Symmetrical
Measures of Dispersion
6. Which measure indicates how spread out the values in a dataset
are?
, a) Mean
b) Mode
c) Range
d) Median
Answer: c) Range
7. The variance is the:
a) Square root of the standard deviation
b) Sum of all values divided by number of values
c) Square of the standard deviation
d) None of the above
Answer: c) Square of the standard deviation
8. Find the range of the numbers 5, 8, 10, 15, 20.
a) 5
b) 10
c) 15
d) 20
Answer: c) 15
9. If standard deviation is 4, what is the variance?
a) 2
b) 8
c) 12
d) 16
Answer: d) 16
10. Coefficient of variation (CV) is calculated as:
a) (Standard deviation / Mean) × 100
b) (Mean / Standard deviation) × 100
c) Mean × Standard deviation
d) Mean + Standard deviation
Answer: a) (Standard deviation / Mean) × 100
Probability
11. The probability of an event ranges between:
a) -1 to 1
b) 0 to 1
c) 0 to 100
d) -∞ to +∞
Answer: b) 0 to 1
12. A fair die is rolled. The probability of getting an odd number is:
