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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?
Her results (in hours until turning a particular shade of brown) are in the table below. At ∞= .01, did she see a difference between the two treatments?
In a regression analysis, the sum of the squared deviations between y and y-bar is SST = 200.0. If the sum of the squared deviations about the regression line is SSE + 40.0, what is the coefficient of determination?
Chi square compares actual data with expected data. What would the expected data be? For example, if I know the percentage of brown M&Ms in a bag is 40% set by the company
Thermometers are normally distributed with a mean of O Celsius and a standard deviation of 1. OO Celsius, Find the probability that a randomly selected thermometer reads between - 2.23 and - 1.25 and draw a sketch of the region. The probability is..
A recent study of cardiovascular risk factors reports that 30% of adults meet the criteria of hypertension. if 15 adults are assessed, what is the probabiliy that?
A regression model between sales (Y in $1,000), unit price (X 1 in dollars) and television advertisement (X 2 in dollars) resulted in the following function: = 7 - 3X1 + 5X 2 For this model SSR = 3500, SSE = 1500, and the sample size is 18...
If there is a negative dependent variable of -0.55, and independent variables Y1 of +0.75 and Y2 of -3.0, how do I interpret the relationships according to the signs?
By using the maximax criterion, what decision should be made by the decision maker?
How is regression analysis used in forecasting? Provide examples. How may it be used to formulate strategies?
The scores of the GRE exam are transformed so they have a mean of 500 and standard deviation of 100. The scores are known to be normally distributed. What is the percentage of students that score below 750?
The DPMO for process is 860. Find the approximate Six Sigma level of the process?
Sun Microsystems has approximately 50% of the high-end Unix machines market with its closest competitor being IBM. Suppose that 15 firms were in the market to purchase a high-end Unix machine. Assume that these firms listened to sales pitches by a..
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