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A study shows that scores on an aptitude test are normally distributed with a mean of 70 and a standard deviation of 12. Find the following probabilities: a) If one test taker is selected, that the person scored greater than 75. b) If 9 test takers are selected, that person scored greater than 75 c) If 49 test takers are selected, that they have a mean score greater than 75.
Using regression as the procedure, produce the forecast of weekly sales for the periods Jan 27, 2014 through Jan 19, 2015 - show a graph of the historical and forecasted sales in one graph
Use Analyze, Descriptive statistics, Frequencies to summarize nonmetric variables, and create a pie-chart for Year in college and create a histogram for IQ and include the normal distribution.
Test the hypothesis that there is not relationship between the proneness to use excessive force score and the force score for officers trained at Academy A.
single sample hypothesis testing z-tests1. for the population at large test scores on the wechsler intelligence scale
How many categories in the ACME transportation table are qualitative and what is the average number of merchandise per order, for all orders? Round to the nearest integer and what is the standard deviation of all orders in this sample?
Using the data on the growth rate of Money and inflation, run a regression of the rate of inflation on the rate of growth of the money supply
Minimize the production cost and the optimal order quantity is cartons of milk, and the average inventory is about cartons - variable cost of making
Write the null and alternative hypotheses and analyze the data using PROC TTEST, and turn in the printout. From this, you will first have to test if the population variances are equal.
Choose a research question that can be addressed using a t-test. Ensure your research question allows you to collect data to analyze. Devise a plan to collect your data
What is the standard error of his prediction?
What is the deference between a complete factorial design and an incomplete factorial design and explain the difference between a two-way AMOVA and a three-way ANOVA.
Develop a second decision tree for Sonny and his team to reflect this new option of hiring the research firm prior to the possibility of developing the app
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