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The Ellington Dukes are a minor-league baseball team in Ellington, Georgia. As with most other minor-league teams, the Dukes rely heavily
Define / describe in your own words the following terms and give an example of each.
An obstetrician wants to learn whether the amount of prenatal care and the wantedness of the pregnancy are associated.
We do not know the underlying theoretical distribution we resort to non-parametric statistics. The Chi-square is such a statistic.
The bank credit card department of Carolina Bank knows from experience that 5% of the card holders have had some high school, 15% have completed high school
A student team examined parked cars in four different suburban shopping malls.
Can people really identify their favorite brand of cola? Volunteers tasted Coca-Cola Classic, Pepsi, Diet Coke, and Diet Pepsi, with the results shown below
Select the best statistical analysis technique for the following research topics. Be very precise about your statistical choice
Explain what a Chi-Squared Test is used for and give an example how you could possibly use this test.
Consider a large population of families with three children each. If the genders of children in any family are independent of one another, the number of male
The average temperature in Metropolis in 1970 was 51.5 degrees. In 2010, the average temperature in Metropolis was 56.7 degrees.
A random group of apartments was selected from a city to analyze the number of bedrooms they have. Is there evidence to reject the hypothesis
A charity solicits donations by phone. From long experience the charity's director reports that 60 percent of the calls will result in refusal to donate
The hitter data were collected on 6-23-2004 and represent the top 50 hitters in Major League Baseball on that date
Determine whether the distribution of 100 scores in normally distributed. Perform a chi-square goodness-of-fit test. Report and interpret the computed p-value
Identify the dependent and independent variables used in this paper, and their level of measurement (attribute or numeric).
Does lecithin enhance memory? To test this idea, nine pairs of people matched in terms of age, sex, IQ and neurological status are given capsule
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Use a = 0.05
Assume that a 2005 poll of 1000 American voters found that 76% of Republicans favored ending the tax on dividend income, as did 42% of Democrats
Interpret the following SPSS computer output for the chi-square test. Variable COMMUTE is "How did you get to work last week?"
Collapse the response categories in the following table so that it meets the assumption of the chi-square test; then perform the test.
Perform a chi-square test on the following data: