Moderate
The calculation of mean and variance is based on______________?
Correct answer: D. All values
- A. Small values only
- B. Large values only
- C. Extreme values only
- D. All values
Explanation
Both the mean and variance use every observation in the dataset: the mean sums all values, while variance uses every squared deviation from the mean. Ignoring values would change these measures.
Last updated
Practise Descriptive Statistics
238 free Descriptive Statistics MCQs from Statistics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Statistics questions like this
Statistics is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.