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For one consumer product the mean dollar sales per retail outlet last year in a sample of 15 was $3,425 with a standard deviation of $500.
The Engineering Department at Sims Software, Inc., recently developed two chemical solutions designed to increase the usable life of computer disks.
At Cape College the business students run an investment club. Each fall they create investment portfolios in multiples of $1,000 each.
At the time she was hired as a server, Beth was told, "you can average more than $20 a day in tips." Over the first 35 days she was employed at the restaurant
A researcher randomly assigns subjects with hypertension to one of three drug doses, then measures the heart rate of each group after administering the drug
Briefly describe: a statistical relation, time series, cross section, least squares, See, r, R-squared, t-value, multicollinearity and serial correlation.
The first section will define the topic of their project. Members of the Learning Team will discuss each of their Article Analyses
A marketing analyst was studying the readability of two advertisements, each produced by a major company, and printed in the newspaper.
A random sample of 12 observations indicated a correlation of .32 Can we conclude that the correlation in the population is greater than 0?
Twelve students randomly selected from the entering class of college had the following SAT scores in math and English population mean=500, sigma=100
A random sample of twelve 100 watt light bulbs made by Lite Up Your Life Inc had the following burn times: 1810, 1835, 1720, 1860, 2085, 1605, 1920
The following prices for seven games were taken from MacPrice and MacBuy catalog:
A new procedure was tried on a number of patients. they were later asked whether they preferred the new procedure, the old procedure, or had no preference.
Six people have declared their intentions to run for a county commission seat in the next general election.
Given the following population data: 1,2,4,5,8,9,12, and the lists of all samples of size 2 and 5:
The following are the GMAT scores and the GPA's of a random sample of 6 students in a graduate school.
Surveys have been widely used by politicians around the world as a way of monitoring the opinions of the electorate.
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.