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To determine the mean difference among the group categories using ANOVA.
Find Attached Excel sheet for data.
1. Generate descriptive statistics for the diploma/GED rate, overall. Discuss your results.
2. Using ANOVA, determine if there is a significant difference in the six year graduation rate by type.
Determine the probability of randomly selecting a person graduating with Master's degree who didn't major in Education.
Find out optimal decision
Taking care to control for weather conditions and other variables as much as possible. Define the null hypothesis.
Perform hypothesis testing on one variable's data.
Z score on comparison distribution for sample score and your conclusion. Suppose that all population are normally distributed.
Evaluate the multiple regression model between quantity sold (Y) and following explanatory variables: average price of deep-dish pizzas, monthly advertising expenditures, and disposable income per household in areas surrounding outlets.
The standard deviation of the population of adult female height scores is 3 inches. A random sample of 50 women yields a mean height of 64 inches. Calculate the standard error of the 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?
When using past data, I have found that the proportion of items rejected by quality control personnel is about 3%. We normally make 5000 items per day. For a p chart, what are the upper and lower control limits?
Use the list of random digits below to assign 4 men and 2 women to the shark fin treatment. Read the table from left to right, first selecting the 4 men and then the 2 women. Use the numerical labels given in the chart to the names.
The mean of a sample is 22.5. The mean of 1000 bootstrapped samples is 22.491. The bias of the bootstrap mean is
I have fit a line to data representing cholesterol readings for 28 individuals starting a cholesterol reducing drug. The computer provides the following output, The degrees of freedom for the t test for the slope are
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