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The scatterplot below shows fabricated data for the price per share versus earnings per share per year of 100 public corporations. The average earnings per share is$9.75 per year with an SD of $5.98 per year, and the average price per share is$52.94 with an SD of $33.16. The correlation between price and earnings is0.891. (Use this figure in your calculations, not the value of the correlation coefficient in the applet.)
The regression line estimate of the price per share of a company whose annual earnings per share is $33.67 is $ ??
Using the results you got from Question 3 and a level of significance at .05, what are the two-tailed critical values associated with each? Would the null hypothesis be rejected
The U.S. Census Bureau conducts a study to determine the time needed to complete the short form. The Bureau surveys 200 people. The sample mean is 8.2 minutes. There is a known standard deviation of 2.2 minutes. The population distribution is assumed..
Compute and interpret the z-score for each Nascar team valuation. Compute and interpret the z-score for each Nascar team revenue.
Suppose x is normally distributed random variable with mu = 11and sigma = 2, find each of the following : a) p(10
starbucks coffee co. uses a data-based approach to improving the quality and customer satisfaction of its products.
The average weekly earnings of the plumbers in a city is [Mu=$750] with a standard deviation of [s=$40]. Assume that we select a random sample of [n=64 plumbers], what is the probability that the sample mean [x] will be greater than $740 or greater ..
A graphic designer makes a presentation to clients and this results in sales of her services in 1/4 of the cases. Assuming the results for different clients are independent.
q1 linear programming -- product outputnbspnbsp nbspa company produces 3 different products a b and c.
how do i examine correlations of all variables 1 dv amp 5 iv and summarize their relationship? ltbrgti also want to
Professional presentation style
A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will be between 85 and 125 points?
consider the file showing data for magazine titles the cost of a full-color page advertisement page audience
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