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State the degrees of freedom and the type of test (repeated measures or matched pairs) for the following examples of measures for a related samples t test: Explain
(a) The difference in coping ability in a sample of 20 brothers and sisters paired based on their relatedness
(b) The difference in relationship satisfaction in a sample of 25 pairs of married couples
An express delivery service company recently conducted a study to investigate the relationship between the cost of shipping a package (Y), the package
If the airlines' goal was to attain the same proportion of on-time arrivals as in 2004, do the preliminary results indicate that they have met this goal? Support your assertions.
Specify the competing hypotheses in order to test whether differences exist between the medians.
On a line transect survey, the observer recorded the following distances (in meters) from detected birds to the transect line: 0, 1, 1, 2, 3, 3, 4, 6, 7, 7, 9, 12, 17. The transect line is 50 m long.
Raising pay. Suppose that the teachers in the previous exercise each receive a 5% raise. The amount of the raise will vary from $1500 to $3000.
Consider cooperation use (x) as a predictor of average payoff (y). Based on the scattergram, is there evidence of a linear trend?
Select two non-parametric tests utilized in business decision making? Give an example of each test with an appropriate business situation.
Business research topic. Strengthen and improve initial proposal - Description of data collection and analysis methods
Use this information with a = 0.01 to test the null hypothesis of no difference in population mean sulfur dioxide emission rates.
question use the program binomial probabilities to find the probability that in 100 tosses of a fair coin the number of
a genetics lab wants to alter a species of mosquitoes so that the mean life span becomes shorter. to test whether their
We want to determine if the proportion of people in the population who believes this is less than 0.75. What is the p-value?
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