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Compare two moving averages using MSE and compute Exponential smoothing.
The following data represents demand for company ABC's products for the last 10 months.
Months
Demand
1 2 3 4 5 6 7 8 9 10
450 463 520 500 510 516 534 525 530 534
(a) Use the mean square error to compare between the three-month and the two-month moving averages.
(b) Use α= .2 to compute exponential smoothing values for the time series.
would this prove that they are exceeding their goal, using α = .025?
Construct a 95 percent confidence interval for the true mean.
Using an alpha level of 0.05, please use SPSS to perform a one-way ANOVA and then determine whether the data below provide evidence for Theory A, Theory B, or Theory C. In other words, is one theory stronger than the others?
Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College.
Compute the range and interquartile range
Formulate a linear programming model for this problem.
MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.
Compare a tabular cum sum chart using standardized values h = 5 and k = 1/2. What is the information you learn.
It is better to use the median rather than the mean for a distribution when:
Mean and standard deviation are 584.6 and 34.28
If there are 5 choices for a question and there is a 50% chance that the student knows the answer, what is the probability that the student knew the answer to a question he correctly answered?
Does this sample indicate a smaller average? Use α = 0.05 and assume a normally distributed population.
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