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Forecast 2 out of sample forecasts for the final model using following data:
Final Estimates of Parameters
Type Coef SE Coef T PAR 1 0.9647 0.0388 24.84 0.000SAR 4 0.2576 0.1187 2.17 0.033MA 1 0.4841 0.1060 4.57 0.000SMA 4 0.9231 0.0723 12.77 0.000
Determine mean and standard deviation for number of erroneous returns per batch.
Categorize the following as discrete or continuous random variables.
Professor Brunner had students in his Marketing class rate his performance as Excellent, Good, Fair, or Poor. A graduate student collected the ratings and assured the students that Professor Brunner would not receive them until after the course gr..
Findout the consumption level separating the bottom 45% to the top 55%. The September energy consumption levels for single family homes are found to the normally distributed with a mean
There are two telephone lines A and B. Let E1 be the event that line A is being used and E2 be the event that line B is being used
Find the probability that a standard normal random variable will assume a value between: Find a z such that 70% of the area is above that value.
Suppose that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more?
The probability of drawing two diamonds (to complete a flush) after discarding the 5 and 7.
Compute sample mean. Assume that desirable value for this solution has been specified to be 65.0 grams per liter. Compute sample variance and sample standard deviation.
In a survey of women in a certain country (ages 20-29) the mean height was 64.5 inches with a standard deviation of 2.75 inches. What height represents the 90th percentile? What height represents the first quartile?
Inspection of student data generated during pre/post treatment surveys shows that among 10 subjects, 7 had higher scores after an experimental treatment
If member of sales force submits the entertainment expense (dinner cost for four) of $190, must this expense be considered unusually high. Calculate and interpret z- score for each of six entertainment expenses.
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