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Question 1
Discuss an example where you would use a test of hypothesis with three or more population means (that can be analyzed using ANOVA technique) at your employment or personal life.
Question 2
Many real estate companies and rental agencies now publish their listings on the Web. One example is the Dunes Realty Company, located in Garden City Beach, South Carolina. Go to their Website, https://www.dunes.com, select Beach Homes Search, then indicate minimum of 5 bedrooms, minimum occupancy for 14 people, none of the amenities, "Rental Amount" up to $4,500 per week, uncheck "View all Properties", check "Check Availability for my Arrival Date" pick an "Arrival" date and "Length of stay" of 1 week. Get three sets of output by checking Ocean Front, Second Row or Walk to the Beach one at a time and clicking on Search the Beach Homes. Each output should include details on the homes that met your criteria.
At the .05 significance level, is there a difference in the mean rental prices for the different locations? Please use Excel's Data Analysis option to perform the analysis.
Can you tell which pairs of means differ?
Compare the margin of error for the interval estimates in parts (a), (b), and (c). The margin of error (Increases or Decreases) as p-bar gets smaller.
What is the most probable number of patients arriving each Saturday and give the main assumptions we make when we model the above situation using a Poisson distribution.
Determine the probability that person's monthly gasoline (gallon) purchases will be less than 67 gallons.
1) The mean of the twenty male IQ scores is 115. Test the hypothesis that the mean of female IQ scores is less than 115. Note: This test is not comparing the mean IQ of females to that of males, it is simply using 115 as a comparison value. In the..
The null hypothesis is to be tested at the 10% level of significance. The critical value from the table is:
Does this sample provide enough evidence to conclude that self-esteem scores for group-participation adolescents are significantly different from those of the general population? Use a two-tailed test with α = .01.
Then use ogive to estimate median and first and third quartiles. Also utilize it to reply following question: What percent of 60 mutual fund loads are less than 75.
The average score on math portion of SAT was 516 in 2002. Assume that the math score of all students taking the SAT 2002 were normally distributed with a mean of 516 and a standard deviation of 90.
Please use the regression procedure within Excel under Tools > Data Analysis to construct this equation.
Suppose that the National Labor Relations Board (NLRB) wishes to estimate the average hourly wage rate for a certain classification of skilled workers. It wishes to be 95% certain to get an estimate of sample mean within 0.05 of the truth.
Time to help a stranger was investigated by a group of undergraduate psychology majors as a part of their Introduction to Research Methods course.
Suppose that a random sample of 800 early replacement buyers yields a mean number of dealers visited of 1 = 3.3, and that a random sample of 500 late replacement buyers yields a mean number of dealers visited of 2= 4.5.
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