Chapter 4: BUS Statistics I

Which one of the following formulas is the Software Coefficient of Skewness?

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Match the proportion of observations below the measure to the measure of position. Instructions

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Match the measure of position to the number of parts into which it divides a set of observations.

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For the following ordered set of data, find the 60th percentile. 0, 2, 3, 5, 5, 6, 8, 10, 10, 11, 12, 14, 16

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What statements below describe the relative use of dot plots and histograms? Select all that apply.

Dot plots are most useful for small data sets. Histograms are more useful for large data sets.

The interquartile range is a measure of dispersion usually used along with the median. What is the definition of interquartile range?

The distance between the first and third quartile.

Suppose a given data set has the following characteristics: Minimum value: 120 Q1: 160 Q2: 190 Q3: 200 Maximum Value: 220 Which of the following is true about the distribution of the data?

The distribution is negatively skewed.

What is the measure of position called below which 75% of the observations occur?

The third quartile

Which of the following is not a measure of position?

standard deviation