Measures of Central Tendency

Which of the following is a positional average?

The sum of deviations of all observations taken from their arithmetic mean is always:

Which average is most affected by extreme values?

Which of the following partition values divides the series into four equal parts?

Mode can be easily determined graphically using:

What is the relationship between Mean, Median, and Mode in a symmetrical distribution?

The median of a series can be determined graphically with the help of:

Which of the following is not a mathematical average?

If each observation in a data set is increased by 5, the arithmetic mean will:

The value that divides the series into 10 equal parts is called:

Which measure of central tendency is best suited for qualitative data (attributes)?

The empirical relationship between mean, median, and mode is given by:

If all observations in a data set are identical, then the standard deviation and variance will be:

Which of the following is an advantage of the arithmetic mean?

In a moderately asymmetrical distribution, if the mean is 20 and the median is 23, what is the mode?

Which average is appropriate when dealing with ratios, rates, and speeds?

The geometric mean is specially useful in calculating:

What is the main demerit of the mode?

If the sum of 10 observations is 200, their arithmetic mean is:

Which statistical measure represents the 50th percentile?