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Refer to the Real Estate data, which reports information on homes sold in the Goodyear, Arizona, area during the last year. Prepare a report on the selling prices of the homes. Be sure to answer the following questions in your report.
a. Around what values do the data tend to cluster? What is the mean selling price? What is the median selling price? Is one measure more representative of the typical selling prices than the others?
b. What is the range of selling prices? What is the standard deviation? About 95 per- cent of the selling prices are between what two values?
in a recent study 32 convicts were given a course in great works of literature. to be accepted for the program the
The weekly salaries one year after graduation are normally distributed with a standard deviation of $85. If one graduate is randomly selected. Describe the distribution of the weekly salaries being earned one year after graduation.
the frequencies of different blood types of 200 people who volunteered at a plasma center is given in the table.blood
a company purchases shipments of machine components and uses this acceptance sampling plan randomly select and test 20
in their october 2003 issue consumer reports evaluated the price and performance of 23 models of cordless phones.
Often the more relevant analysis is about estimating the size of the effect. Calculate a 90% confidence interval for the population mean difference and summarise your findings
Draw the appropriate conclusions with respect to female and male human resource manager salary levels. Calculate the t value for independent groups for the following data. Check the accuracy of your calculations.
to obtain information on the corrosion-resistance properties of a certain type of steel conduit 45 specimens are buried
In some ways, ANOVA is like what communications engineers refer to as "signal-to-noise ratio". What could I possibly mean by that statement?
Compute the variance and standard deviation of the number that will arrive within two days.
question 1current weekly demand forecast for an item follows a normal distribution with a mean of 100 units with a
a multiple-choice test contains n questions. if answers are randomly selected the correct answer will be selected with
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