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What is the forecast for July based on a three-month weighted moving average applied to the following past demand data and using the weights: 8, 6, and 4 (largest weight is for most recent data)? Show all of your computations for April through July.
Month Actual Demand (A)
January 40
February 45
March 57
April 60
May 75
June 87
July
a student has five motor vehicle accidents in one year and claims that having five accidents is not unusual. use the
a young couple eve and steven want to divide their main household chores shopping cooking dishwashing and laundering
q1. consider the hourly payments of a random sample of employees of a food processing plant given in diagrams below150
Assuming that Richard guesses on all eight questions, find the indicated probabilities. What is the probability that he will answer all questions correctly?
In order to determine the sum of squares the distance between each data point and the line of the best fit is squared and then all of the squares are summed up. The line of the best fit will minimize this value?
Conduct a test to determine whether blood lactate level (y) is linearly related to perceived recovery (x). Use alpha = .05. Find the p-value for testing the hypotheses you gave in the previous problem. Show all decimal places in your answer.
If you test the null hypothesis at the 0.01 level of significance, is there evidence that the new process has reduced turnaround time? Interpret the meaning of the p-value in this problem.
let x denote the weight gain in pounds per month for a calf. the probability distribution of x is shown below.xnbsp
Standard deviation of 424 and 155 respectively. at the .05 level of significance, test the claim that the new version has standard deviation equal to that of the past version.
Assume the least squares equation is Y' = 10 + 20X. What does the value of 10 in the equation indicate?
the data gives the monthly sales for a cosmetic manufacturer yt and the corresponding monthly sales for the entire
the weights of cats at a shelter are normally distributed with a mean of 11 lbs. and a standard deviation of 12. if 16
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