The variance of a given set of numbers is defined as the
Absolute value of the standard deviation
Square of the standard deviation
Square root of the standard deviation
Square root of the standard deviation
Square root of the mean deviation
Correct answer is B
No explanation has been provided for this answer.
When the total product starts falling, then the marginal product is
Constant
Increasing
Maximum
Negative
Zero
Correct answer is D
No explanation has been provided for this answer.
The formular (N + 1)/2 is used to determine the
Mean
Median
Mode
Standard deviation
Mean deviation
Correct answer is B
No explanation has been provided for this answer.
The recent revolution of Cassava from ordinary food crop to export crop will lead to
Decrease in price of cassava flour
Decrease in production of cassava
Decrease in production of local starch
Increase in production of other crops
Increase in the prices of cassava products
Correct answer is E
No explanation has been provided for this answer.
If the standard deviation of a set of numbers is 3.6, what is the variance?
12.49
12.69
12.9
12.96
12.98
Correct answer is D
No explanation has been provided for this answer.