Exam 3: Descriptive Statistics II: Additional Descriptive Measures and Data Displays

The number of Cambodian college students studying abroad has increased over the last 6 years from 21,000 to 54,000.What was the average annual growth rate over this period?

In a sample of five trading days, the number of shares traded (in 1000s) for two particular stocks appears in the table.Compute the correlation coefficient appropriate here.

In July 2013, the unemployment rate in California was 8.5%, that of Oregon was 7.9%, and that of Washington State was 6.8%.(Keep in mind that California is by far the most populous of the three states).If a simple, rather than weighted, average were used to estimate the overall unemployment rate across the three West coast states, the resulting value would be:

Below is the list of dividends on Bonneville Electric stock over the past 7 years: $.46, .61, .55, .76, .94, .68, .88 List the five values that would be necessary if you were to construct a box-and-whisker plot for the dividend data.

In computing the pth percentile, if the index i is NOT an integer, then round up to the next highest integer to get the pth percentile.

A stem-and-leaf display is a graph of a cumulative distribution.

The list below shows the number of orders processed by Grant and Traynor over the past 16 weeks. Use the method described in the chapter to identify the value of the 65th percentile, then compare the % of the values in the data set that are ACTUALLY at or below the 65th percentile value you had determined.

Below is a list of file sizes (in gigabytes) for 15 data files that Ron DiGregorio created for his updated customer records.Determine Q3.