Basic statistics

Written by Hassan Raza (Mathematics)

Class 10 · Mathematics · 9 questions

Name: ____________________ Date: ____________

What is the mean of the data 10, 20, 30, 40?
- A 20
- B 100
- C 30
- D 25
The median of 2, 4, 6, 8 is:
- A 6
- B 4
- C 5
- D 20
The most frequent value in a data set is the:
- A Mode
- B Median
- C Mean
- D Range
The standard deviation measures:
- A The mode
- B Spread of the data
- C The mean only
- D The total
The variance is:
- A The range squared
- B The same as the mode
- C The square root of the mean
- D The square of the standard deviation
The mean of 12, 14, 16, 18, 20 is:
- A 14
- B 16
- C 15
- D 80
The range of 4, 9, 2, 15 is:
- A 13
- B 11
- C 15
- D 2
A data set has standard deviation 0. All the values are:
- A Zero
- B Equal
- C Different
- D Negative
Frequency is the:
- A Mean
- B Largest value
- C Number of times a value occurs
- D Total

Answer key

1. D, 2. C, 3. A, 4. B, 5. D, 6. B, 7. A, 8. B, 9. C