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In how many ways can the countries be assigned so that all of the North American countries are assigned?
How many people made a purchase at Sears but did not make a purchase at JC Penney?
Based upon statistical studies it has been found that 3.32% of all births in the United States will result in twins being born.
The National Association of Home Builders provided data on the cost of the most popular home remodeling projects. Use the Mann-Whitney-Wilcoxon test
The polisher will be accepted only if the percentage of polished lenses containing surface defects does not exceed 1.5%.
Conduct the equivalent, nonparametric test of hypothesis using the five-step process.
For the current manufacturing process, the a-priori probability that a lot is poor is 0.04.
Assume that each of the following studies cannot be analyzed using a parametric procedure. For each of the following studies
Use a nonparametric test to see if there is a difference in hours worked for males and females (variable hrs1). What do you conclude?
The McDougal Sandwich Shop has two windows available for serving customers, who arrive at a Poisson rate of 40/hr.
Would you suspect that the IDEA surveys sent to South students each term could be biased in the responses received? Why or why not?
Hypothesis statement: difference in the selling price of a house with a pool (M1) in relation to one without a pool (M2).
The life of an electronic transistor is normally distributed with a mean of 500 hours and a standard deviation of 80 hours.
Ten monkeys, five reared with a surrogate (artificial) mother and five reared normally, have been observed over a 10-day period in a group play area.
A production process contains a machine that deteriorates rapidly in both quantity and output under heavy usage, so it is inspected at the end of each day.
The percentage of people participating in organized learning situations during 2002 for each age group is reported here by NIACE.
Assume that an apartment in Block B was visited, and found to be a "High Risk" apartment.
Past evidence indicates that 30% of all customers pay in cash. During a day period 120 customers buy gasoline at this station.
If random sample of 144 current stockholders is taken, what is the probability that more than 15% of them will find offer teams attractive?
Cotton mouse density is not normally distributed. Observation has caused you to suspect that cotton mice achieve greater densities in forests
Put a = 10 white balls and b = 20 blue balls in an urn. Then, randomly draw a ball from the urn, and replace it along with another ball of the same color.
Using the same research question and data from the Learning Team Meeting Two assignment, conduct the equivalent, nonparametric test of hypothesis
Probability is an important topic, and students should be able to test theoretical computations against experimental data.
Your random sample of 100 found only 25 people who preferred Brand A. Would you still be justified in running the ad?
Using the variables length of stay (scale) variable and Gender (nominal)