Multiple Choice Questions-understanding Data

1. Which of these measures are used to analyze the central tendency of data?

Mean and Normal Distribution

Mean, Median and Mode

Mode, Alpha & Range

Standard Deviation, Range and Mean

2. Any measure indicating the centre of a set of data, arranged in an increasing or decreasing order of magnitude, is called a measure of:

Skewness

Symmetry

Central tendency

Dispersion

3. The measure of central tendency listed below is:

The raw score

The mean

The range

Standard deviation

4. The midpoint of the values after they have been ordered from the smallest to the largest or the largest to the smallest is called:

Mean

Median

Lower quartile

Upper quartile

5. The mean of a sample is

Always equal to the mean of the population

Always smaller than the mean of the population

Computed by summing the data values and dividing the sum by (n - 1)

Computed by summing all the data values and dividing the sum by the number of items