Math 200 : An Analysis on the Housing Prices in Denver - Statistics Assignment Help

Assignment Task:

Task:

(a) Use statistical software to obtain a histogram. Do these house prices appear to be symmetrically distributed? If not, in which direction do they seem to be skewed? (1.5 marks)
(b) Run a quartile-quartile test of normality on “price” values to see if the data is normally distributed or not. (2 marks)
(c) Compute µ and σ for the prices of all houses. (1.5 marks)

(d) What percentage of these prices lie in the interval (µ - σ) to (µ + σ)? What about in the interval (µ -2σ) to (µ + 2σ)? In the interval (µ - 3σ) to (µ + 3σ)? (1.5 marks)
(e) How do the percentage in part (d) compare to the corresponding percentage for a normal distribution (68.26%, 95.44%, and 99.74%, respectively)? (1.5 marks)

(f) Select three random samples of 20 house prices each (make clusters of 20 samples each). Create a histogram for each cluster, and calculate the mean and standard deviation of the prices for each one. How well do your graphs and summary statistics match up with the corresponding population graphs and parameter values obtained in the earlier parts? Does it seem reasonable that they might not match very well? (1.5 marks)
(g) Run the ANOVA test on whether the prices for all your three categories are the same or not. (2 marks)
(h) Fit data in a linear model (dependent variable is price), independent variable could be whatever you think is suitable. Make two predictions for price based on your independent variable. (2 marks)

The format (6.5 marks)
Write a report for answering part (a) to (h) above. The report must be in an essay format of APA style including graphs and calculations. Graphs and calculations should form an appendix which is attached at the end of your essay. Feel free to use any software or platform you would like if you are not comfortable with Excel. Use the 12 point font and 1.5 spacing.

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