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A) Classify the following as an example of nominal, ordinal, interval, or ratio level of measurement, and state why it represents this level: Gender of employees at a local warehouse.
B) Determine if this data is qualitative or quantitative: Political affiliation.
C) In your own line of work, give one example of a discrete and one example of a continuous random variable, and describe why each is continuous or discrete.
A manufacturer produces and sells chilled, ready-to-eat pasta salad in round lots of 50 serving units each. These items have a very limited shelf life; therefore, if items are made but not sold, they have no value.
The student newspaper on our campus was interested in binge drinking. For their article, they surveyed 50 fraternity members, and found they drink more than 5 drinks an average of 7 times per month.
Examine the relationship between final grade and the reported hours per week each student said they studied for the course. Do we have evidence that females are being discriminated against?
Based on this sample information, create a 90% confidence interval for population mean yearly premium.
What are some differences between discrete and continuous data? Is the measurement of money continuous or discrete? Explain. Can discrete data be analyzed using a normal distribution? Why or why not?
Setup the alternative hypothesis that will test the claim that the percentage of women preferring white wine is 25% higher than men.
Compare his performance on the two tests in terms of percentile ranks. In which exam did he do better? Please show computations and discuss.
What is meant by illusionary correlations? Why is it so difficult for individuals to disprove their beliefs in correlations that are actually false?
If wages were increased by $1.00, what is the expected effect on the number of complaints received per employee? How can you tell?
Is there evidence that mean dimension is not 221 mm? Suppose population is normally distributed. Use a=0.05 and critical value method.
Draw a column chart from grade book. Use column illustrating students' names; select one of the tests to plot.
Test the proportions of yellow fire trucks have a significantly lower accident rate.
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