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Describe a situation that might be viewed differently by two people. This event can be as minor as an encounter on the street or as major as the birth of a child.
Summarize how it could be viewed differently. How might religious, cultural, or personal beliefs influence how this event is interpreted? How might a person's mood, personality, or situation influence how he or she interprets this event?
Describe the steps for testing a hypothesis that people are more likely to keep watching a movie if they have already invested money to obtain the movie.
What is the chi-square goodness-of-fit test? What are the differences/similarities between this test and an independent t-test? How do you know when to use one analysis over the other? Show an example.
A recent national survey found that high school students watched an average (mean) of 6.8 videos per month. A random sample of 36 college students revealed that the mean number of videos watched last month was 6.2
Does it seem prevention plans were effective in reducing mean amount of a claim? Use 0.05 level of significance. Set up Null and Alternate Hypothesis.
A random sample of size 16 is chosen from a population and a 90% confidence interval for the standard deviation will be determined. What value of should be located in the chi-square distribution table?
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) both will fail? (b) Neither will fail? (c) One or the oth..
In a study of the consumer's view of the economy, the probability that a consumer would buy a house during the year was 0.0013, and the probability that the consumer would buy a car during the year was 0.198. There was also a 0.0100 probability t..
A standard IQ test has mean of 98 and a standard deviation of 16. We want to be 99% certain that we are 8 IQ points of the true mean. Determine the sample size.
Calculate the limits within which the weight of the packets should lie assuming that the machine is not been classified as faulty.
Calculate the "t" value for independent groups for the following data using the formula presented in the module. Check the accuracy of your calculations.
If 700 stolen cars are randomly selected, what is the mean and standard deviation of the number of cars recovered after being stolen?
Sample mean is 50, t-statistic is 1.96, and standard error of sample mean is 2. Determine the 95 percent confidence interval?
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