PRC-2 · Chapter 8 · Question 16 of 60
If a researcher multiplies every single observation in a dataset by exactly 5, what will mathematically happen to the arithmetic mean of that new dataset?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) It will increase by 5 times.
Explanation
A fundamental property of the arithmetic mean is that if each observation is multiplied by a constant, the new mean increases by that exact multiple.
More Statistical Measures of Data MCQs
- Q18Which of the following statements accurately describes a skewed distribution curve?
- 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?