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The research department wants to conduct a satisfaction survey at some of the theatres to determine how satisfied customers are with the theatre in which they just saw a movie and how much they spent (tickets, popcorn, etc.) Several questions will be asked but the main outcome measure of interest will be the percentage of customers who were completely satisfied and plan to return and the average amount spent. A few years ago a similar survey was conducted and it found that customers had seen an average of 5 movies at the theatre, had spent an average of $25, and 80% were completely satisfied and planned to return. The results also revealed that about two-thirds of the respondents spent anywhere from $15 to $35.
Compare a three-month moving average forecast with an exponential smoothing fore-cast for a = 0.2. Which provides the better forecasts using MSE as the measure of model accuracy?
Please address the following question: When is the mean the best measure of central tendency? When is the median the best measure of central tendency?
For monthly volume of 300 tables, find out total cost, total revenue, and profit.
The Rathburn Manufacturing Company makes electric wiring, which it sells to contractors in the construction industry. Approximately 900 electric contractors purchase wire from Rathburn annually.
A mortgage department of a large bank is studying its recent loans. Of particualr interest is how such factors as the value of the home (in thousands of dollars), education level of the head of the household, age of the head of the household, curr..
The Duracells had an average lifetime of 18.67 hours (SD = 1.176 hours) while the Energizer batteries had an average lifetime of 16.83 hours (SD = 2.878 hours). Assuming the population standard deviations to be equal, what is the test statisitic a..
If we want to increase our confidence level from 95% to 99%, what happens to our confidence interval?
Statistics Questions Set: If the mean number of hours of television watched by teenagers per week is 12 with a standard deviation of 2 hours, what proportion of teenagers watch 16 to 18 hours of TV a week? (Assume a normal distribution.)
Jon Molnar will graduate from Carolina Forest High School this year. He took the American College Test (ACT) for college admission and received a score of 30.
Caselet on McDonald’s vs. Burger King - Waiting time
A sociologist claims that the success of students in college (measured by their GPA) is related to their family's income. For a sample of 20 students, the coefficient of correlation is 0.40. Using the 0.01 significance level
Compute the coefficient of multiple determinations.
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