Applied Project

Each student is required to turn in one Applied Project and 2 Hypothesis Testing Assignments. The projects may be hand written or typed. Computer use is encouraged. If it is hand written, the project must be done neatly in ink and double-spaced for easier reading.

Assignments in Hypothesis Testing:

During the semester you will be required to turn in 2 projects in hypothesis testing. The information regarding the problems is listed below.

Applied Project: You have been asked by the Census Bureau to gather info about the age (in years) of the people in Virginia. The information gathered will be used to better understand the distribution of ages so that key decisions can be made within the State.

You will need to obtain the ages (in years) of at least 30 individuals.

1. Describe your data, where did the data come from?
2. Find the following statistic; mean, median, mode, midrange, range, standard deviation, variance, sample size, and quartiles
3. Construct a frequency table, histogram, stem \& leaf plot and box-plot
4. Include a table that lists class limits, class boundaries, frequency and relative frequency.
5. Construct \(90 \%, 95 \%\) and \(99 \%\) confidence intervals about the mean of your data
6. Assuming that we have a normal distribution, calculate the following probabilities from your data:

1. \(P(45<\mathrm{x}<65)\)
2. \(P(x<20)\)
3. \(P(x>60)\)
4. \(P(18<x<40)\)

7. Previous information gathered by the Bureau shows that the average age of a person in VA is \(\mu=46\). Assuming a normal distribution

1. Use a \(1 \%\) level of significance to test the claim that the average age of a person in VA is different from 46; use info from your sample. Explain the results.
2. Use a \(5 \%\) level of significance to test the claim that the average age of a person in VA is greater than the claim of 46. Explain the results.

8. Write a half page summary about your results from this study; was it what you expected, what are your conclusions?

Price: $8.83

Solution: The downloadable solution consists of 5 pages, 383 words and 4 charts.
Deliverable: Word Document