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Imagine we conduct a study looking at the correlation between teen relationship "satisfaction" and features of that relationship. Let's say satisfaction ranges from 1 (low) to 9 (high). Let's say happiness also ranges from 1 (low) to 9 (high). So, we see the range (1 to 9) for X and Y above. But why do we NEED to note the range? What information does it give us?
when we say a statistical test procedure is not robust that meansa. it requires a sophisticated level of
USA Today reports salaries for National Football League (NFL) teams. The file Jaguars contains the salaries for the 2011 Jacksonville Jaguars.
He thinks that students should study 30 hours a week to have time to absorb material. This is his most important goal. Haroon feels that students need at most 7 hours sleep per night on average and that this goal is number 2. He believes that goal nu..
Using the current assumptions, find the mean and standard deviation of the percentage among those surveyed who will want to buy the new product.
SEAT-BELT COMPLIANCE Data compiled by the Highway Patrol Department regarding the use of seat belts by drivers in a certain area after the passage.
environmentalists are concerned about emissions of sulfur dioxide into the air. the average number of days per year in
If the maximum error of estimate for the proportion of bartenders hearing job complaints is 4.4 percentage points, what is the degree of confidence used?
Suppose that 55 percent of the people in a population of 500,000 support your candidate. If you conduct a poll of 1,000 people, what is the interval that has a 95 percent chance of containing the results of your poll?
let x have the density fxx c2x 1 for 0 ? x ? 4 and fxx 0 otherwise where c is a constant.a find the value of c that
"Correlation and Regression"- Find the value of the correlation coefficient (r) and explain what that means in relationship to the problem. Find the equation of the least squares regression line
Assume the lengths are normally distributed. What proportion of six-year-old rainbow trout are less than 450 millimeters long?
24 customers from each of 2 auto dealership took a customer satisfaction survey for brake service. The survey responses are on a scale from 0 to 10
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