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Identify a research issue, problem, or opportunity that uses either interval or ratio level data (Recall that ratio level data are those data which have an absolute zero. This includes all forms of money, weight, time, or distance.) Some examples of ratio level data include a team member's 401K fund, a team member's stock portfolio, average price of homes in a section of town, or the price of gas between each team member's community. Some examples of interval level data could be temperature readings in your hometown for a month or Ph readings over a month in your swimming pool. When deciding on a topic, you should keep in mind that we will be testing the data for a one sample test, and in the following week, we will use the same data set for a two sample test, and the last use will be for three or more samples, using the ANOVA procedure. Now, you don't have to use the same data set for all the tests, but it may make the exercise much easier if you create the data set with these tests in mind. If you have difficulty with coming up with an example be sure to ask the question in the main forum.
Create a data set which should contain between 30 and 60 data points. (The reason for 60 is you will need at least that many for the exercise found in Week 3 Learning Team. Recall that you will need interval or ratio level data, terms which are found in Chapter one of your statistics text.)
A store selling newspapers orders only x=4 of a certain newspaper because the manager does not get many calls for that publication. If the number of requests per day follows a Poisson distribution with mean 3.
Equation of the regression line - Evaluate the equation of the regression line and Find y' when x=47 years.
Micron Electronics makes both desktop and laptop personal computers that they sell directly to customers by phone or over the Internet.
At the end of each academic year, 13% of assistant professors become associate professors and 18% leave the department; 21% of associate professors become full professors, and 17% leave the department; and 9% of full professors leave the departmen..
State the values of the coefficient of correlation and coefficient of determination correct to three decimal places
Consider an experiment that results in a positive outcome with probability 0.38 and a negative outcome with probability 0.62. Create a new experiment consisting of repeating the original experiment 3 times. Assume each repetition is independent of..
Given that P (A) = 0.7, P (B) = 0.5, and P (A B) = 0.8. Find the following probabilities:
Suppose there are two samples of size 6 and 7, with a rank sum of 58 in the sample of size 6. Using the Wilcoxon rank sum test, evaluate the significance of the results, assuming there are no ties.
An auditor reviewed 25 oral surgery insurance claims from a particular surgical office, determining that the mean out-of-pocket patient billing above the reimbursed amount was $275.66 with a standard deviation of $78.11.
20% of teenagers in a small town say they like reading news online. Suppose you randomly select 7 teenagers from the town and ask them whether or not they enjoy reading news online. Find the probability that at least 3 say they enjoy reading news ..
The mean diastolic blood pressure for random sample of 90 people was 92 millimeters of mercury. If the standard deviation of individual blood pressure readings is known to be 12 millimeters of mercury
mean is calculated for each sample, then the average distance between M and u would be:
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