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Can you think of two variables that exhibit either a positive or a negative correlation? Are you able to generate a data set of at least 10 coordinates? Once you have the data set, can you generate a scatter plot?
Based on the scatterplot, what do you see? Basically, does the scatterplot indicate what you thought about the relationship? If data is positively correlated, the scatterplot should increase from left to right. If the data is negatively correlated, the scatterplot should decrease from left to right.
Also explain why the correlation makes sense for your particular data set.
Use the SPSS output to determine if there is sufficient evidence to conclude that Sally bakes a better pie than Pat (i.e., the average rating for Sally at her church is higher than the average rating for Pat at her church).
he population consists of all 15 year olds living in the attendance district of a local high school. You plan to obtain a simple random sample of 200 such residents by using the roster of the high school as the sampling frame.
Estimate the level of support throughout the community, based on a 95% confidence interval.
Here are some data that I analyzed for an attorney. Of the 4200 white applicants at a large manufacturing facility, 390 were hired. Of the 850 black applicants, 18 were hired. Analyze the data and write a conclusion.
Find the probability that you will see moderate improvement in productivity, meaning an increase in productivity between 6 and 13.
In a culinary school of 750 students, soups and salad are the most popular classes. In the salad classes there are 300 students and 30 of those students
question assume that charlotte has two stocks disney d and amazon a. for each of these stocks the possible percent
Write a report on the statistical relationship that you find between the stock price of the company that you have been assigned and the following three variables: the FTSE, the US$/GB£ exchange rate and the 10 year Gilt interest rate.
its believed that that the mean number of dogs owned by dog-owning households is 2.1 dogs. an srs of 35 dog owners has
According to a recent survey, the probability that a passenger files a complaint with the Department of Transportation about a particular U.S. airline.
suppose we have a set of blood pressures with a mean of 70 diastolic and a sample standard deviation of 10 points. if
Calculate the expected values for the cells in this analysis. Suggest a way in which cells can be combined to assure that the expected value of each cell.
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