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Suppose we wish to test the hypothesis H0: = µ2 vs. H1: = µ≠2 We find a two sided p-value of .03 and a 95% CI for µ of (1.5, 4.0) Are these two results possibly compatible? Why or why not?
Forecast the number of deliveries utilizing exponential smoothing constant for different values also compare it. A hospital records the number of floral deliveries its patients receive every day.
Classifcation Which of the following are continuous variables and which are discrete?
A point estimate for the difference between the mean purchases of the users of the two credit cards is:
Evaluate true mean delivery time to within 5 minutes at 90% reliability level? Suppose that standard deviation for delivery times is 18.2 minutes.
To test whether the population mean is less than a specified value.
Chi-square test for goodness of fit - difference in the use of the four entrances?
Use a 5% significance level to test the claim that there appears to be a difference in the effectiveness of the two diets.
Identify a research issue, problem, or opportunity that uses data that has absolute zero measurements, ratio level data.
Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major.
You had calculated the following measures of central tendency: the mean, the median, and the mean trimmed 25%. Which of these measures of central tendency will change when you correct the recording error?
Which combination of factors produces smallest risk of Type I error?
Determine the 90% confidence interval for average days worked by employees in all payroll departments?
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