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A medical doctor wishes to test the claim that the standard deviation of the systolic blood pressure of deep sea divers is greater than 450. To do so, she selected a random sample of 25 divers and found s = 468. Assuming that the systolic blood pressures of deep sea divers are normally distributed, the doctor would perform a chi-square test to test her research hypothesis. In that case, what is the test value that she would compute. Place your answer, rounded to 3 decimal places, in the blank. For example, 34.567 would be a legitimate entry
Complete the analysis of variance. At a .05 level of significance, is there a significant difference between the treatments?
A person estimates that his commute to work will most likely take 50 minutes. However, it could talk as long as 1 hour and 35 minutes worst case, or as little as 35 minutes best case. What is the approximate standard deviation based on the ab..
1. Assume that the number of miles a particular brand of tire lasts before it needs to be replaced follows a normal distribution with a mean of 45,600 miles and a standard deviation of 5,800 miles. What is the probability that the next tire of this b..
the pdf for 3 parameter frechet distribution is ltbrgtfxa?a x-?-a-1 exp-x-?-a ltbrgtthen how we can prove the cdf for
The ages (in years) of the employees at a particular computer store are 36, 32, 22, 32, 33 . Assuming that these ages constitute an entire population, find the standard deviation of the population. Round your answer to at least two decimal plac..
1. first carefully check for any typing mistakes in the data.for example i noticed the birth year for some students as
question 1. what would be the appropriate statistical procedure to test the following hypothesisnbsp triglyceride
Construct a stem- and leaf display for each variable.
A dean of college of business in the Midwest claims
find two different news stories in a mainstream media source cnn foxnews newsweek etc. that cite data from a recognized
conceptual questionswhat is the difference between descriptive and inferential statistics?what are the five
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.Data Collection: This is an open e..
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