Bayes' theorem is used to find: MCQ with Answer and Explanation
Question
Report Error
Discuss this Question (0)
Practice More Statistics Questions
Question #1
Report Error
If all observations are multiplied by a constant k, the geometric mean is multiplied by:
Correct Answer: Option D
Explanation:
GM of (kx) = k × GM of x, since GM(kx) = (kⁿ ∏x)^(1/n) = k (∏x)^(1/n).
GM of (kx) = k × GM of x, since GM(kx) = (kⁿ ∏x)^(1/n) = k (∏x)^(1/n).
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
Report Error
If the mean of a set of 10 observations is 20, and 5 is added to each observation, what will be the new mean?
Correct Answer: Option C
Explanation:
The arithmetic mean is affected by the change of origin. If a constant is added to all observations, the mean increases by that constant.
The arithmetic mean is affected by the change of origin. If a constant is added to all observations, the mean increases by that constant.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
Report Error
General Fertility Rate (GFR) is expressed per:
Correct Answer: Option B
Explanation:
GFR = (Live births in a year / Mid-year population of women aged 15-49) × 1,000, standardizing fertility measurement to the population at risk of childbearing.
GFR = (Live births in a year / Mid-year population of women aged 15-49) × 1,000, standardizing fertility measurement to the population at risk of childbearing.
This question belongs to:
Accountancy and Statistics
Statistics
No comments yet. Be the first to start the discussion!