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In business, investors are always interested in the tradeoff between returns and risk. Regression analysis is a statistical technique that can be used to quantify this risk. Explain the concept of dependent and independent variables in terms of a business performance indicator e.g. stock price, profits, etc., clearly stating the dependent and independent variables involved. If you wish, feel free to use non-business example in your discussion.
Genzero Pharmaceuticals developed the following regression model based on time series data from the past 33 quarters, for one of its non-prescription cold remedies:
Why then does it matter whether we assume straight-line or MACRS depreciation when we assess project NPV?
Assume that the following four examines were tested as part of a large group that had a normally curved distribution.
Is spine bone density is normally distributed in young women with a mean of 1.0 g/cm 2 and a standard deviation of .10 g/cm 2 , then how many young women out of 100 would you expect to have bone densities less than .85 g/cm 2 ?
What critical value should the company officials use to determine the rejection region?
For thefts involving more than $1,000, there is an inverse relationship between the value of the goods stolen and the length of the prison sentence given to the thief.
Find out the test statistic P-value, and critical value, and state the final conclusion. The mean IQ score of statistic professors is less than 120. Sample data: n = 46. Suppose that = 17, and the significance level is = 0.05.
Evaluate the area under the standard normal curve that lies to the left of z = - 3.49 and simple random sample of size
What is the probability that the mean annual precipitation during 49 randomly picked years will be less than 101.8 inches?
Determine the margin of error that corresponds to the given values of n (times) and x (successes) and the degree of confidence: n=1400, x=420, 95%. Go 3 decimal places of precision.
Sixty percent of the families in a certain community own their own car, thirty percent own their own homes, and twenty percent own both their own home and own car. If a family in the community is randomly chosen, what is the probability that they ..
The 'interaction effect' was also important. By using the means in the table above write a statement explaining how the anti-anxiety drug appears to affect anxiety. Are the outcomes consistent with the hypothesis proposed by the researchers?
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