Measures of Dispersion

The relative measure of dispersion is __________.

• Range

• Standard Deviation

• Coefficient of variation

• Variance

_______ is the tool of measure of the variation of the items.

• Mode

• Mean

• Hypothesis

• Dispersion

The positive square root is taken of the population variance then collected measure is transformed into _______.

• Standard root

• Standard deviation

• Standard variance

• Sample variance

Coefficient of standard deviation is the ratio of _______.

• Mean to Standard Deviation

• Standard Deviation to Mean

• Median to Standard Deviation

• Standard Deviation to Median

Which of the following is not a measure of dispersion?

• range

• variance

• standard deviation

• mode

Which of the measures of location is used in computing for the variance of a distribution?

• mean

• median

• mode

• midrange

If the dispersion is small, then the values in the distribution is close to the median.

• true

• false

Which of the measures of dispersion only uses two values in the distribution?

• range

• standard deviation

• variance

• mean deviation

If two data sets have the same mean, then these sets also have the same standard deviations.

• true

• false

Which of the following is a characteristic of the range? Check all that apply.

• All values in the distribution are used in the calculation.

• It is influenced by extreme values.

• It is dependent on the mean.

• It is easy to compute and to understand.