The data from Exercise are reproduced in the table below. The table shows last year’s percentage increase in value for each of the 15 stocks in your investment portfolio:
Draw the box plot.
Answer to relevant QuestionsThe EPA (Environmental Protection Agency) uses an Air Quality Index to measure air quality in cities around the country. Below is a summary of the daily Air Quality Index for Fresno, California, in 2011: Min: 22 Q1: 46 ...The number of service calls made by Zappos’ customer service team over the past 30 days is shown in the table: a. Determine and interpret the 35th percentile value for the service call data. b. Determine and interpret the ...Refer to exercise 13 (Home Runs). a. Draw the box plot and use the “1.5 x inter-quartile range” approach to identify any outliers. b. Use the “3-standard-deviation” approach to identify any outliers. (The mean is ...End-of-month values for the Dow Jones Industrial Average (DJIA) and the NASDAQ Composite Index, both measures of stock market performance, are given below for the last four sample months. a. Compute the covariance. Remember ...The table shows gasoline prices ($/gallon) and natural gas prices ($/1000 cu ft, residential) for the years 1993-2010 a. Compute the coefficient of variation for each data set. (Gasoline σ = .52; natural gas σ = 2.81) b. ...
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