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Terms in this set (12)
The mean is the measure of central tendency most likely to be affected by an outlier.
true
Some quantitative data sets do not have medians.
false- ALL quantitative data...
A data set can have the same mean, median, and mode.
true
When each data class has the same frequency, the distribution is symmetric.
false- ...the distribution is UNIFORM.
The mean and median of a data set are both fractiles.
false- the mean may not always be
About one quarter of a data set falls below Q1.
true
The second quartile is the median of an ordered data set.
true
The 50th percentile is equivalent to Q1.
false- Q2
The unit of measure for the standard score is always standard deviation.
true
For a symmetric distribution, the standard deviation and mean are equal.
false- MEDIAN and mean are equal.
In a box and whisker display, the length of the box is the same as the range.
false- ...same as the interquartile range. (IQR)
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.
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