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Based on the custom "rule-of-thumb" for estimating the standard deviation, if the range of prices for a product sold in Kansas City is between $99 and $349, an estimate of the standard deviation of the prices would be about:
If the sample size is 36 with three treatment means (response variables) and you are performing an ANOVA, then the degrees of freedom for the error term will be:
Calculate and interpret standard error of estimate se and coefficient of determination R2 for these data.
20 students in a class - if there is a 15% probability that a randomly chosen member has seen a particular movie - what is the expected number of students have seen the movie?
Calculate and plot t he new supply schedule and indicate the new equilibrium price and quantity on your diagram
Determine a random number generator and make simulated data for not more than 25 participants (test subjects) in study using ranges of values for variables you established above.
Discuss an example from every day life, your professional experience, personal life or sports where two variables are positively correlated and why; discuss a second example where two variables are negatively correlated and why.
If you were going to use multiple regression to develop an appraisal model, what other quantitative variables might be included in the model?
Test whether there is difference in the two population mean. Use p-value approach
Did you find any outliers on the dependent variables that were due to errors of coding? If so, what and why? How would you correct an error of coding?
30% of college freshmen support increased military spending. If 12 college freshmen are randomly selected, find the probability that more than 5 selected students support increased military spending.
The cheetahs' coach believes that the Rockets' times are normally distributed as well. Construct a 95% confidence interval the Coach to compare the two teams' sprint units.
Public transportation and the automobile are 2 methods an employee can use to get to work each day. Samples of times recorded for each method are shown. Times are in minutes.
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