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Question: Classify each of the following as nominal, ordinal, interval, or ratio data.
a. The ranking of a company by Fortune 500
b. The number of tickets sold at a movie theater on any given night
c. The identification number on a questionnaire
d. Per capita income
e. The trade balance in dollars
f. Profit/loss in dollars
g. A company's tax identification
h. The Standard & Poor's bond ratings of cities based on the following scales:
The life span of a battery is normally distributed, with a mean of 2500 hours and a standard deviation of 50 hours. What percent of batteries have a life span that is more than 2590 hours?
Suppose you randomly draw two cards from a standard deck without replacement. What is the probability that neither card is the ace of spades?
The weight of a small Starbucks coffee is a random variable with a mean of 360 g and a standard deviation of 9 g. Use Excel to find the weight corresponding to each percentile of weight.
A counselor is interested in determining if there is a relationship between children's scores on the racial attitude and preference test and their scores on the racial socialization test. She sampled a group of 10 children yielding the following r..
5 of which are built to metric standards and 7 of which are built to english standards. What is the probability that out of 3 taken, at least one is english standard engine?
A random sample of smokers was obtained, and each individual was classified both with respect to gender and with respect to the age at which he/she first started smoking.
What is the probability of a fatal accident over a lifetime? Explain your reasoning carefully. Hint: Assume independent events. Why might the assumption of independence be violated?
You're operating a business in very competitive market. You're not yet the dominant player, but you have invested heavily in marketing and product development and it has paid off with a steady growth rate of 10%.
create your own original linear programming problem with a minimum of two variables and two constraints. your problem
according to the mendelian theory of inherited characteristics a cross fertilization of related species of
In light of these data, are the percentages of divorcing couples with prenuptial agreements equal in these four places?
Based on information obtained from a sample of 54, a 98% confidence interval for the average profit level of regional banks is given by 67.4 million to 87.78 million. Determine the sample standard deviation of profit
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