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. A medical research team studied the ages of 34 patients who had strokes caused by stress. The frequency distribution below summarizes the results. When trying to understand the stroke data, what would be the advantage of looking at a histogram instead of this frequency distribution?
Age Frequency25-29 330-34 335-39 640-44 445-49 550-54 355-59 560-64 5
We are asked to test for independence between age (i.e., adult and teen) and drink preferences.
Some IQ tests are standardized to normal model with mean of 100 and the standard deviation of 16. Draw a model for these IQ scores, clearly label it , showing what the 65-95-99.7 rule predicts about the score.
Using quadratic regression model find the estimated number of planes.
brief discussion telling why you chose this particular data set to study. As in discussion two, I am hoping that you will choose data that has some relevance to your life.
Compute the mean of the sampling distribution? Compute the standard deviation of sampling distribution?
Rosa's Italian restaurant wants to develop forecasts of daily demand for the next week. Develop a forecasting chart, using MS Excel. Include the steps used in your forecast.
Expalin what would be the appropriate statistical procedure to test the following hypothesis: Triglyceride values are a good predictor of weight in obese adults.
The booster club has gotten several businesses and car dealers to donate gasoline and cars for the college students to use to make a maximum of 575 personal contacts daily during the fund-raising drive. The college student will donate a total of 2..
At a 5% level of significance, is there sufficient evidence that the population mean waiting time is now less than 3.7 minutes?
The distributor selects one cable at random from among all cables in stock. If the cable selected is found to meet the strength specifications, what is the probability that the cable was produced at Plant A?
What then is the probability that a shaft will be acceptable? Suppose that the diameter of the shaft is a random variable that is Normally distributed.
At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?
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