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Studies from a local mall show the typical shopper spends 0.75 hrs shopping. The standard deviation is 0.10 hours.
Give an example of a hypothesis test you could perform at a Surgery Center and what the hypotheses would be. State the null and alternative hypotheses
At the .01 significance level is it reasonable to conclude that the modification reduced the number of traffic accidents? You must use Excel test functions.
The Grand Strand Family Medical Center is specifically set up to treat minor medical emergencies for visitors to the Myrtle Beach area.
There is a program for STD/HIV/pregnancy education/prevention called Postponing Sexual Involvement (PSI) run in Atlanta.
News flash from Science News (June 2, 2001). Researchers reported that breast feeding children seemed to accelerate the progression of AIDS
The Dean is hanging his head in shame. He realizes his failings in designing an adequate research design to assess the effects of the move on majors
Chicken Delight claims that 90% of its orders are delivered within 10 minutes of the time the order is placed.
A random sample of five observations from the first population resulted in a standard deviation of 12.
In a college bulletin, it is stated that the weights of the male students are normally distributed with mean µ=165lb and a standard deviation s= 16lb.
The following sample data were obtained from three populations where the variances were not equal, and you wish to compare the populations.
A sample of 120 observations revealed that p = .30. At the .05 significance level, can the null hypothesis be rejected?
Conduct a hypothesis test to determine if the hormone increased the tomatoes' weight gain (Ho: u is unequal to 2).
The average weight gain of tomatoes in the sample was 3 ounces with a standard deviation of 1 ounce.
Identical surveys were conducted in 1990 and 2000. One question asked women was "Are most men basically kind, gentle, and thoughtful.
Electricity is commonly traded at the California-Oregon border (COB) and Palo Verde (PV) in Arizona. Assume you take a sample of 100 daily electricity market
ESPN reported in sample of 1000 homes the proportion of people who watched the Texas v. Ohio State college football game this weekend was .6.
A six-sided die is rolled 30 times and the numbers 1 through 6 appear as shown in the following frequency distribution.
Beef patties for McDonalds are prepared and packages at a processing plant and shipped frozen to the individual outlets
In a Gallup survey, 1087 randomly selected adults were asked Do you have occasion to use alcoholic beverages such as liquor, wine, or beer, or are you a total
Using rare event rule and subjective estimates to determine whether events are likely. Claim: People born on February 29 have IQ scores
A study of recent graduates revealed that for a sample of ten accounting majors the mean salary was $30,000 per year with a sample standard deviation of $2,000
A synopsis of a business related problem where statistics was used to solve the problem. The synopsis needs to include a discussion of the specific problem
Then, after solving the case study, emphasize how you can use this technique to solve business problems. What business decisions will you be able to make
The U.S. Fish and Wildlife Service's report on the bass population in the North American lakes indicated average weight of the fish to be 3.0 lb.