Jangga Group report their return on stockholder equity for the past 5 years (in percent): 4.1,...
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Jangga Group report their return on stockholder equity for the past 5 years (in percent): 4.1, 5, 7.2, 6.8, and 12. Consider there as population values. a. Compute the range, the arithmetic mean, the standard deviation, and the variance b. Compare the return on stockholder equity for Jangga Group with that for IC Company. The mean return and variance for IC Company are 11.76 and 16.89. 2. The accompanying table lists the Unemployment Rate in Feb 2022 for a sample of nine countries. Country Unites States Canada France Germany Great Britain Turkey Japan Sweden Brazil Percent Unemployed 10.2 11.9 4.2 7.5 12.6 5.9 2.0 3.4 9.3 a. Calculate the mean and standard deviation of this data set. b. Calculate the z-scores of the Unemployment Rate of Canada, Brazil, and Japan. c. Describe the information conveyed by the sign of the z-scores you calculated. Jangga Group report their return on stockholder equity for the past 5 years (in percent): 4.1, 5, 7.2, 6.8, and 12. Consider there as population values. a. Compute the range, the arithmetic mean, the standard deviation, and the variance b. Compare the return on stockholder equity for Jangga Group with that for IC Company. The mean return and variance for IC Company are 11.76 and 16.89. 2. The accompanying table lists the Unemployment Rate in Feb 2022 for a sample of nine countries. Country Unites States Canada France Germany Great Britain Turkey Japan Sweden Brazil Percent Unemployed 10.2 11.9 4.2 7.5 12.6 5.9 2.0 3.4 9.3 a. Calculate the mean and standard deviation of this data set. b. Calculate the z-scores of the Unemployment Rate of Canada, Brazil, and Japan. c. Describe the information conveyed by the sign of the z-scores you calculated.
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SOLUTION 1 Jangga Group Return on Stockholder Equity Years 41 5 72 68 12 a Range Range Maximum Value Minimum Value Range 12 41 Range 79 b Arithmetic Mean Average Mean Sum of all values Number of value... View the full answer
Related Book For
Statistical Techniques in Business and Economics
ISBN: 978-0078020520
16th edition
Authors: Douglas Lind, William Marchal
Posted Date:
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