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After reading about how the ANOVA is used, and the value many researchers place on it, describe a situation, preferably from your work place
Cars arrive at a toll booth at a mean rate of 5 cars every 10 minute according to poisson process
When and how do you use a chi-square distribution to test if two variables are independent? Also, provide an example showing how to use the contingency table
Calculate a chi-square statistic and compare it with the critical value to determine whether or not GPA is significantly related to another of the factors
High levels of cockpit noise in an aircraft can damage the hearing of pilots who are exposed to this hazard for many hours
Determine the decision rule - the critical value of the test statistic.
To investigate the phenomenon of "home team advantage" a researcher recorded the outcomes from 64 college football games on one Sat.
A study suggested that personality type is related to heart disease. Specifically, type A people,who are competitive, driven, pressured, and impatient
A bar owner is interested in customer preference for three (3) different brands of beer: Molson's, Corona, and Guinness
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location.
A professor teaching introductory psychology gave 25 As, 35 Bs, 60 Cs, 30 Ds, and 20 Fs to 170 students in her class
Research results suggest that IQ scores for boys are more variable than IQ scores for girls (Arden & Plomin, 2006).
A sample of the reading scores of 25 sixth-graders has a mean of 82, and the standard deviation of the sample is 15
To see whether students who finish an exam first get the same grades as those who finish later, a professor kept track of the order in which papers were handed
A study indicated where different age groups primarily get their news: At the 0.05 level of significance, is there evidence of a significant relationship
In a particular market there are three commercial television stations, each with its own evening news program from 6:00 to 6:30
One study looked at of 234 magazines. Two pieces of information were collected on each -- its cover price and whether it continued to be published.
Each year, the National Highway Traffic Safety Administration (NHTSA) together with the National Center for Statistics and Analysis (NCSA)
The color red is often associated with anger and male dominance. Based on this observation, Hill and Barton (2005) monitored the outcome of four combat sports
Research has demonstrated that people tend to be attracted to others who are similar to themselves.
Data from the Motor Vehicle Department indicate that 80% of all licensed drivers are older than age 25.
Sixty-four students in an introductory college economics class were asked how many credits they had earned in college
Create a pivot table of management level versus gender. Then copy the data from the table into a chi square table to see if a relationship exists
Many people believe that criminals who plead guilty tend to get lighter sentences than those who are convicted in trials