# Analyze some Data

Please see the file attached for the data needed to complete the project and answer the following questions with proper graphs and statistics needed. Please return 500 word minimum within 12 hours. If you use any outside sources, PLEASE cite them in APA format. Let me know if you have any questions.

These are a random sample of property tax receipts (in thousands of dollars) submitted.

a. Construct a histogram.

b. Compute the mean, median, mode, skew, variance, and standard deviation for this population

c. Determine what percentage of these properties have tax bills within +/- 1, +/- 2, and +/- 3 standard deviations of the mean.

d. compare your findings in (a) (b) and (c) with what would be expected on the basis of the rules of the Normal Distribution. What is your conclusion? Is the data normally distributed? What objective, statistical evidence can support your conclusion

e. Construct a 95% confidence interval estimate for the mean property tax . Explain the practical, business-related meaning of this confidence interval.

f. Construct a 99% confidence interval estimate for the mean property tax. Explain the practical, business-related meaning of this confidence interval.

g. Comment on the effect that changing the level of confidence had on your answers in (e) and (f). Explain how your confidence intervals relate to to a researcher’s “alpha” level.

( 1 comentario ) Rawalpindi, Pakistan

Nº del proyecto: #10770279

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