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Select two variables that might be related, such as the number of hours a student watches TV and the number of credits the student has, or a baseball player's salary and the number of home runs per year the player scores. You will need to get at least 15 pairs of data for your variables either by sampling 15 people, or using a web site to obtain 15 pairs of data. (Some web sites that contain statistics are: www.census.gov , www.sportstats.com, https://nces.ed.gov/programs/digest/, and www.fedstats.gov. · Write a thorough statement as to the variables used and the reason you think these variables may or may not be related. · Clearly identify the explanatory and response variables. · Clearly define the population from which the sample data is being drawn. · Specifically state how the sample was selected. · Report the raw data. · Draw a scatter plot for the data values. (Excel is a great tool for entering data and plotting a scatter plot.) · Write a clear and concise statement analyzing the scatter plot. · Compute the value of the correlation coefficient (r). (This computation may be done using your calculator or computer.) · Find the equation of the regression line and draw it on the scatter plot. (Again, Excel is a very useful tool in calculating the linear regression equation and drawing it on the scatter plot. For help with this, click the help menu on Excel and ask about Linear Regression.) · Summarize the overall results.
What is the probability that at least one of the flights will be late and why the binomial model is not appropriate for finding the probability that at least one flight will be late.
The results of Computerworld's annual job satisfaction survey showed that 28% of IS managers were very satisfied with their job. 46%= somewhat satisfied, 12% neither satisfied or dissatisfied, 10% dissatisfied, and 4% very dissatisfied.
F-DISTRIBUTION AND ONE-WAY ANOVA
Determine the posterior probabilities, given the following prior and likelihood probabilities.Prior probabilities P(s1) = .25 P(s2) = .40 P(s3) = .35 Likelihood Probabilities
What are the most common reasons you would select a non-parametric test over the parametric alternative?Discuss the issue of statistical power in non-parametric tests (as compared to their parametric counterparts). Which type tends to be more p..
Find the probability that exactly 5 rats have recessive traits and find the probability that no more than 9 rats have recessive traits.
Researcher wants to determine whether high school students who attend an SAT preparation course score significantly different on the SAT than students who do not attend the preparation course. For those who do not attend the course,
Bay Area university enrolled mba students in three cohorts programs:weeknight, Saturday, and distance. Dean Ed Epstein wants to know if there is a difference in the average of the students in the three programs. State null hypothesis
task 1hrh king of zamunda gathered gruesome data on deaths of his people from fire accidents in the last n2000 years
How to calculate the sample size? i want to know the needs and wants of the people who buy some products in the asian supermarkets in the netherlands, so i decide to make interview with them , but firstly i need to calculate how many people s..
Computer output from a multiple regression model with three independent variables yields the following estimated regression equation: 20.9 + 1.4X1 + 4.2X2 - 0.7X3.
a. What is the probability that the gun detects speeding and the driver was speeding? (Round your answer to 4 decimal places.)
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