Which of the following statements is true about the mean of a series?

A) The mean is equal to zero when all the values are identical.
B) The mean is a commonly used technique for summarizing data.
C) The mean is less than all the individual observations in the data set.
D) The mean is calculated as the sum of all values multiplied by the number of values.

B

Economics

You might also like to view...

The reserve requirement ensures that the central bank of a country focuses only on keeping the inflation rate at a low level

a. True b. False Indicate whether the statement is true or false

Economics

Refer to the table below. If these are the only four price options for a pound of sugar, what is the expected value the price of a pound of sugar?


The above table provides the possible prices for a pound of sugar next year along with the associated probabilities (in percent).

A) $1.27
B) $1.25
C) $1.30
D) $1.32

Economics