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Question: Ratner and Miller (2001) wondered whether people are uncomfortable when they act in a way that's not obviously in their own self-interest. They randomly assigned 33 women and 32 men to read a fictional passage saying that federal funding would soon be cut for research into a gastrointestinal illness that mostly affected either (1) women or (2) men. They were then asked to rate, on a 1-7 scale, how comfortable they would be "attending a meeting of concerned citizens who share your position" on this cause (p. 11). A higher rating indicates a greater degree of comfort. The journal article reported the statistics for the interaction as F(1, 58) = 9.83, p
a. What are the independent variables and their levels? What is the dependent variable?
b. What kind of ANOVA did the researchers conduct?
c. Do the reported statistics indicate that there is a significant interaction? Explain your answer.
d. Draw a table that includes the cells of the study, and the cell means.
e. Draw a bar graph that depicts these findings.
f. Describe the pattern of the interaction in words. Is this a qualitative or a quantitative interaction? Explain your answer.
An airline wants to estimate the proportion of business passengers on a new route from New York to San Francisco. A random sample of 347 passengers.
Let a random process consist of a sequence of pulses:- Find the mean function.- Find the autocorrelation function.
An olympic archer is able to hit bull's-eye 80% of the time. assume each shot is independent of the others. if she shoots 6 arrows, what's the probability of each of these results? She gets at least 4 bull's-eyes?
question 1 a sample of 2000 licensed drivers revealed the following number of speeding violations.number of
Bill heats his house with natural gas. The gas usage is measured in therms (T). In January of 2007 he used 125 therms over 34 days (D) and the average temperature (T) was 49 degrees farenheit.
question a researcher finds a claim in the newspapers that the average room rate arr of all abu dhabi hotels is 163
Do you think the percentage who responded "Elvis Presley" would have been higher, lower, or about the same if the question had given specific choices?
When you sum 30 or more independent random variables, the sum of the random variables will usually be approximately normally distributed.
Begin by identifying a potential research topic/issue of personal interest as the basis for a fictitious study.
in a data communication system several messages that arrive at a node are bundled into a packet before they are
A manager of a small store wanted to discourage shoplifters by putting signs around the store saying "Shoplifting is a crime!" However, he wanted to make sure this would not result in customers buying less. To test this, he displayed the signs every ..
Harold and Maude plan to take a cruise together, but they live in separate cities. The cruise departs from Miami, and they each book a flight to arrive.
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