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The variable the school board is most interested in understanding/explaining is the change in schoolwide standardized test scores. You were also given variables that indicated the curriculum type and the income of the households of students from each school. If this were a real research project, what other data would you collect to use as control variables? Why? In other words, what other variables might you collect that you might plausibly expect to have an impact on the change in test scores aside from income and the curriculum type? Give at least 4 examples and in each case explain why you would include them.
Commute times: three random samples of time in minutes that commuters are stuck in traffic are shown. At anova =0.05, is there a difference in the mean times among the three cities?
One of the most important uses of a correlation is its potential use in_________
Working at Company X is very stressful for any human being. Medecines Sans Frontires stepped in to see if there is any possible violations of human rights at the notorious Company X.
If the Sum of Squares for Treatments (SST) is 10% of SS(Total), and the Sum of Squares for Blocks (SSB) is 20% of SS (Total), find the F values for this experiment.
The proportion of left handers is 0.10. What is the number of left handers in the sample and what notation is given to that number? What is the values of p and ^p?
Search the library for a scholarly journal article of a study that presents the results using correlation analysis. Summarize the article, explain how the correlation was used, and the value of correlation analysis.
The average for the test is a 1700 and the population's standard deviation is 50. what percentile rank of students is Logan in based on her SAT score.
A meat processing plant has processed an average of 100 tons per day for the last several years. Newer processing machines have been installed recently.
Which has mean of 88 and standard deviations 16. Find the probability that the difference between the sample mean. a)is more than 8. b)is less than by 18.
Of the students who scored around 50 on the midterm, about what percentage were in the top 25% of the class on the final?
Can you please describe what I need to do to complete this? I do not understand how to plot the figures within the spreadsheet or calculate them.
How large of a sample should be studied if the standard deviation from a previous study was 26 cents and he wants his estimate to be accurate to within 15 cents?
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