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If a student scored 90 points on a test where the mean score was 82.2 and the standard deviation was 5.7. What steps do I do to find out the student's z score?
What does the standard deviation mean? Interpret the standard deviation relative to the average or mean?
There were 23 people at my last Arachnophobics (fear of spiders) Anonymous' Halloween party. As a gag fake spiders were put into the gift boxes to be handed out when people came in.
What was the probability that a student worked a part time job or made the Dean's list. Interpret the results.
Use given data to create the unbiased point estimate of 12σ'> 2 of percentage of termites that are minor workers.
Determine the average and the variation for Brand 1 price, sales market share, and total revenue, using the weekly market survey data (descriptive statistics).
What are the requirements that must be met for a regression analysis? What happens if these requirements are violated? Why is the analysis of residuals important?
A manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. At the end of December, the company wishes to forecast sales for January.
Need to come up with a regression model to forecast monthly sales of cold beverages for the next year. What variables might be included in the model?
Sample mean varies from population mean of 10 pounds at 5 percent level of significance using two-tailed test. Compute test statistic for the sample data.
What control chart(s) would you use for this data and what are the final control limits?
At.05 level of significance test to find out if number of breakdowns is independent of shift.
Researcher asked group of 30 students - 12 of them supported change, 13 of them didn't, and 5 had no opinion. This is not binomial model as?
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