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statistical issue.?
A thousand people controlled by a review of financial company are advertised as having an average return on capital equity (ROE) of 11.4 percent and a standard deviation of 3 percent. The investigation is carried out by a potential customer who believes that the ROE is expected to be normally distributed populations. The potential client receives a list of populations and random samples of 300 stocks and records of the emergency room. The results are: Category Freq.Expected Observed frequency under 6 169.93 6 10) 8885.83 10 under 14 years 53.49 146.58 14 146 18 47 300 300 18 or more What titles freedom based on historical data? What is the value of the appropriate table for a 0.10 significance level? What is the estimated value of the test statistic Chi-square? X ^ 2 = use of a significance level of 0.10, which is the obvious conclusion based on calculations of the above data?
df = no. categories – 1 = 5.1 = 4 x ^ 2 = Σ (predicted – observed) ^ 2 / It is hard to read in their values to calculate. Since χ ^ 2 tables, the critical value for df = 4 p = 0.1 is 7.77944. If X ^ 2 is greater than the values are significantly different than expected.
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