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Prepare a report exploring the data your team collected for the management of SJGR. This report should contain the results of the various data
What are the generally accepted levels of significance for each of the following?
A soft-drink manufacturer claims that its 12-ounce cans do not contain, on average, more than 30 calories. A random sample of 16 cans of this soft drink
The Smoky Bear Trucking Company claims that the average weight of a fully loaded moving van is 12,000 lbs. The highway patrol decides to check this claim
A manufacturer claims that at least 99% of all his products meet the minimum government standards. A survey of 500 products revealed ten did not meet
A wine manufacturer sells Cabernet Sauvignon with a label that asserts an alcohol content of 11%. Sixteen bottles of this cabernet are randomly selected
Suppose that in January 1999 it was reported that 58 percent of Americans rated the condition of the economy to be ``fairly good."
Define and discuss the following statistical terms within the context of a business example. Each answer should be one paragraph in length.
What is the purpose of a hypothesis test? What goes in the null hypothesis and what goes in the alternate hypothesis? Why is it inappropriate to put a sample
In a large class, the professor has each person toss a coin 200 times and calculate the proportion of his or her tosses that were heads
Based on the Nielsen ratings, the local CBS affiliate claims its 11:00 PM newscast reaches 41% of the viewing audience in the area.
You are the president of a medium size marketing research and management-consulting firm. ZYX Inc has hired you for a new management-consulting project
Describe the results of the nonparametric hypothesis test that includes the null hypothesis statement that there is no difference between the mean selling price
Forty-eight male bank supervisors were each given the same personal file and asked to judge whether the person should be promoted to a branch manager
A manufacturer makes steel rods that are supposed to have a mean length of 50 centimeters. A retailer suspects that the bars are being produced too short.
Research at the University of Toledo indicates that 50 percent of the students change their major area of study after their first year in a program.
Based on the provided data, you have been given the task of showing that there is a difference between gender and potato chip preferences.
A home has a solar electric system. The owner collected voltage readings from a meter connected to the electric system.
In several presidential elections, researchers' have observed a "gender gap" in which men and women vote for candidates in different proportions.
An insurance company, based on past experience, estimates the mean damage for a natural disaster in its area is $5,000
A sample of people is asked their height, and then a measurement of their actual height is taken. Your null hypothesis is that self-reported and actual heights
The historical mean of scholarship examination scores for freshman applications at a local university is 900. A historical population standard deviation of 180
Citrus Rental is a popular car rental agency that has a history of having too few cars available, so that its available cars are overdriven
The filling variance for boxes of cereal is designed to be .02 or less. A sample of 30 boxes of cereal shows a sample standard deviation of .16 ounces.
A sample of 40 recovering alcoholics was given the State-Trait Anxiety Inventory Test (STAI). The state anxiety score showed a mean of 38