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1. In constructing a histogram for given data set (let say age data of your community people), how many class intervals will you consider in the graph. Would you tell us the rules to determine the number of class intervals in constructing a frequency table of a continuous outcome measure data?
2. Would you please tell us with an example how charts and graphs can help to improve management's discussion of a company. What types of charts and graphs are commonly used in business management decisions
3. What would be the most appropriate graphical representation to show the dispersion of new home prices in a particular area? Why?
4. Would you please tell us what graphs are used in your company to examine patterns in rental rates and leasing velocity and the relationship between the two, and why.
5. Would you please tell us what are the basic requirements for the two graphical methods.
In comparing the two variances below, what is the test value and what are the degrees of freedom that should be used?
Category of decision rule which contains maximax decision rule is?
Make a forecast for 2004, using either the fitted trend model or a judgment forecast. Why is it best to ignore earlier years in this data set?
According to the survey, 37% of the adults are concerned that employers are monitoring phone calls. Use the binomial distribution formula to calculate the probability that:
Produce a printout of the frequency tables, showing the total of both frequencies.
The article should include a margin of error and confidence interval. Discuss the subject matter in the article, and interpret the results and what the confidence interval and margin of error mean as they apply to the specific subject matter.
What proportion for smoking teenagers think their peers care a lot about keeping their weight down?
What do you find out when you perform the nonparametric statistics?
A sample of 50 provided a sample mean of 14.15. The population standard deviation is 3.
Make a point estimate of the population mean difference in endurance after taking the herbs. Make a 95% confidence interval estimate of the population mean difference.
Open data file on your excel file AirlinePassengers . Point to the level of data (nominal, ordinal, ratio, or interval) measurement for each variable in data set. Notice tab for description gives information about data.
Which of the following models are appropriate to forecast a time series whose amplitude increases over time?
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