The sum of squared deviations of a set of n values from their mean is__________________?
Correct answer: C. Least
- A. Zero
- B. Maximum
- C. Least
- D. None
Explanation
The arithmetic mean is the value that minimizes the sum of squared deviations. Thus, deviations squared from the mean have the least possible sum, not necessarily a zero sum.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Descriptive Statistics
238 free Descriptive Statistics MCQs from Statistics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
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.
More Descriptive Statistics questions
If a and b are two constants, then Var(a+bX) is_______________?
Standard deviation is calculated from the Harmonic Mean (HM) ________________?
If the standard deviation of the values 2, 4, 6, 8 is 2.58, then the standard deviation of the values 4, 6, 8, 10 is_______________?
The measure of dispersion is changed by a change of_____________?
The algebraic sum of deviations from mean is_____________?
You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of ?