PRC-2 · Chapter 8 · Question 17 of 60
If every observation in a statistical sample is divided by 10, how is the new arithmetic mean affected?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) It is divided by 10.
Explanation
If each observation in a dataset is divided by a specific constant like 10, the resulting arithmetic mean of the new set will also be divided by 10.
More Statistical Measures of Data MCQs
- Q19How is a perfectly symmetrical frequency distribution defined visually?
- Q20Which of the following best defines the 'standard error' in statistical analysis?
- Q21If a constant value of 3 is systematically subtracted from every observation of variable Y, what will happen to the calculated correlation…
- Q22Which of the following describes a U-shaped frequency distribution curve?
- Q23When is the arithmetic mean generally considered the most appropriate statistical measure?