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Give the p-value for the hypothesis test.
For testing the null hypothesis at the 4% level of significance that mu GE 100 vs the alternative that mu < 100, the test statistic is:
If a proposal evaluator randomly selected two proposals, what is the probability that both of them met the specified?
Find a 95% confidence interval for the true proportion of voters who approve of the way the government is being run.
Develop a regression model for predicting the difference in the asking price and selling price.
Using smoothing constant of w = .80, compute the value of exponentially smoothed series in 1983.
What should the cut-off score be for the interviews? (Round to nearest whole number).
A partial computer output from a regression analysis as follows. The regression equation is:
In a survey on the quality of customer service at Car Toys, customers were asked to rate the service on a scale from 1 to 10, with 10 being that a customer was completely satisfied.
Determine and report the within-group slope which relates Y to Xc (for this, you will have to look at your regression printout).
A group of children can be classified according to eye color (blue, brown, green), gender (male, female), and hobby (collecting stamps, collecting baseball cards, collecting shells, collecting stickers).
Assuming a linear cost relationship, what are the regression coefficients, b0 and b1?
Compute the difference scores for following data from repeated-measures study.
A population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be taken. The probability that the sample mean will be larger than 82 is?
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