TRUE/FALSE- ECON

In a box and whisker display, the length of the box is the same as the range.

false- ...same as the interquartile range. (IQR)

When each data class has the same frequency, the distribution is symmetric.

false- ...the distribution is UNIFORM.

Some quantitative data sets do not have medians.

false- ALL quantitative data...

For a symmetric distribution, the standard deviation and mean are equal.

false- MEDIAN and mean are equal.

The 50th percentile is equivalent to Q1.

false- Q2

The mean and median of a data set are both fractiles.

false- the mean may not always be

The measures of position are range, variance, standard deviation and standard score.

false- the measures of position are the 5 number summary and standard score.

A data set can have the same mean, median, and mode.

true

About one quarter of a data set falls below Q1.

true

The mean is the measure of central tendency most likely to be affected by an outlier.

true

The second quartile is the median of an ordered data set.

true

The unit of measure for the standard score is always standard deviation.

true