TRUE/FALSE- ECON

8 September 2022
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12 test answers

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question
The mean is the measure of central tendency most likely to be affected by an outlier.
answer
true
question
Some quantitative data sets do not have medians.
answer
false- ALL quantitative data...
question
A data set can have the same mean, median, and mode.
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true
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When each data class has the same frequency, the distribution is symmetric.
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false- ...the distribution is UNIFORM.
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The mean and median of a data set are both fractiles.
answer
false- the mean may not always be
question
About one quarter of a data set falls below Q1.
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true
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The second quartile is the median of an ordered data set.
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true
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The 50th percentile is equivalent to Q1.
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false- Q2
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The unit of measure for the standard score is always standard deviation.
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true
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For a symmetric distribution, the standard deviation and mean are equal.
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false- MEDIAN and mean are equal.
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In a box and whisker display, the length of the box is the same as the range.
answer
false- ...same as the interquartile range. (IQR)
question
The measures of position are range, variance, standard deviation and standard score.
answer
false- the measures of position are the 5 number summary and standard score.