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Descriptive Statistics Project
Descriptive Statistics Project Project #1
This project gives you the chance to use all of the statistical techniques and concepts that are covered in the initial chapters of the text.
Problem: Think of a question that can be answered by analyzing data.Data Collection: This is an open ended project and you have wide latitude as to what
question you would like to answer and where you get the data to answer the question.
Guidelines/Restrictions:
? Your data should be numerical and continuous.? You should have at least 30 observations or data points.? You may use either sample data or an entire population.? You may gather data though experimentation or you may use published data.
Project Requirements
Dana Davenport donates eight hours of her time on a Saturday to help out a qualified charity. What is her charitable contribution deduction?
What statistical test should be used to analyze these data - How can internal and external validity be increased in an experiment and briefly describe the type of information that should be in an introduction.
Variable regression model - matrix of independent variables- multiple regression and, in particular.
Find the average time a plane must wait in line before itcan land.c.Calculate the average time it takes a plane to clear therunway once it has noti?ed the airport that it is in thevicinity and wants to land.d.The FAA has a rule that an air traf..
Use the normal distribution to approximate the following probability: According to the most recent Davenport student profile, 47% of students have children under 17 living at home with them. Find the probability that a random sample of 800 students w..
Define a correlation coefficient
The probability that a given bird house will be returned for a refund is 0.04. Suppose that 30 bird houses are sold on a particular day. Find the probability that exactly 2 of those bird houses will be returned for a refund.
Obtain an output (as in the tutorials).
2. At a school pep rally, a group of sophomore students organized a free raffle for prizes. They claim that they put the names of all of the students in the school in the basket and that they randomly drew 36 names out of this basket. Of the pr..
Develop a model for the Total Cost to put on the seminar. Let x represent the number of students who enroll in the seminar - develop a model for the Total Profit if x students enroll in the seminar.
State the null hypothesis. Calculate the difference between the proportions or means. Calculate the standard' error of the difference in proportions or means.
The General Social Survey described in Exercise 5.8 included random samples from two groups: US residents with a college degree and US residents without a college degree. For the 505 sampled US residents with a college degree, the average numbe..
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