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Given the following partial ANOVA Table:
Source of
Variation Sum of Squares df Mean Square F value
Treatments 2
Error 20
Total 500 11
Assume a .05 level of significance.
a. What are the null and alternate hypotheses?
b. How many treatments are there?
c. What is the critical value of F at the 5% level of significance? Indicate in words when you would reject the null hypothesis.
d. What are the values for the Mean Square Treatment (MST) and the Mean Square Error (MSE)?
e. Compute the value of F. Do you Reject or Fail to Reject the Null Hypothesis? State you conclusion.
Assume that the underlying population variances are equal. a. Are the two samples paired or independent?
If hypothesis test for single population variance is to be conducted by using significance level of to 0.10, a sample size of n = 16, and test is a one-tailed upper-tail test, the critical value is?
Using smoothing constant of w = .80, compute the value of exponentially smoothed series in 1983.
The number customers who enter a supermarket each hour is normally distributed with a mean of 600 and a standard deviation of 200. The supermarket is open 16 hours per day.
1. What do discrete random variables describe? 2. Explain joint probability. 3. Explain conditional probability.
Compute the grouped data mean for this distribution. Use MINITAB and using the original scores, compute the raw-data mean. Use MINITAB.
Do the sample data present sufficient evidence to reject the manufacture's claim? Test using a a=0.05. What is the p-value of the test.
Ace Machine Works estimates that the probability its lathe tool is properly adjusted is 0.8. When the lathe is properly adjusted, there is a 0.9 probability that the parts produced pass inspection.
An exam consists of 10 true or false questions. If a student guesses at every answer, what is the probability that he or she will answer exactly six questions correctly? (Round the answer to three decimal places)
What are the five steps in the hypothesis testing procedure, what does each step represent, what are the advantages and disadvantages of using a hypothesis testing procedure?
Based on this sample information find out what percent of variation in starting salaries is described by GPA, and find out the equation that would forecast salary from GPA. Give a scatter plot.
Write complete linear programming model (All three parts) to find out the number of items to be transported from models A, B, C, and D to nodes 1 and 2 at minimum cost.
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