What is the probability that the sample mean of ROA of the 37 companies is greater than
Question:
What is the probability that the sample mean of ROA of the 37 companies is greater than - 1.5 but less than 4.5 in 2012?
Please use the sample means and variances of the above six financial variables in 2011 as an estimate of the population means and variances of the year 2012, and answer the following question:
Transcribed Image Text:
Debt-to-asset (%) Dividend per share Current ratio Fixed asset turnover ROA P/B 130.4 2.16 -5.36 0.92 9.8 -1.4 0.91 1.08 1.24 1.03 14.43 1.17 0.17 3.18 60.35 78.74 24.3 45.53 22.58 13.27 53.93 28.8 53.05 35.8 17.58 17.69 54.66 63.65 19.89 34.34 46.59 24.21 33.55 40.79 35.49 39.01 37.82 51.42 0.32 22.85 45.63 57.04 0 0 5.73 10.08 0 5.44 5.99 12.1 0 4.4 1.07 8.16 0 5.06 7.6 1.01 4.37 1.5 2.29 7.96 7.35 0 3.1 5.52 3.42 5.49 3.4 4.69 87.75 36.76 151.46 171.58 174.97 137.16 150.26 125.28 215.22 394.77 438.73 220.43 129.16 419.59 122.9 39.16 373.75 253.04 176.64 218.21 164.8 209.99 157.65 151.9 54.93 155.36 135.61 13.8 0.91 12.08 0.29 3.08 1.04 9.33 0.48 1.06 0.47 10.75 9.52 9.87 6.83 2.02 5.42 27.38 0 0.47 4.23 5.36 2.55 1.05 0.02 0.85 2.78 2.19 0.22 1.56 1.06 1.17 1.45 0.72 4.5 4.82 3.71 2.47 4.52 1.47 -9.68 1.88 7.41 6.5 -1.31 0.77 1.23 0.65 4.04 6.24 -1.62 0.83 2.85 1.88 4.67 2.24 2.23 1.06 0.26 0.84 2.57 0.94 0.73 1.49 0.59 0.89 2.69 2.13 1.12 0.94 2.11 1.84
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Related Book For
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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