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Question: 1. A weightlifter's maximum bench press (in pounds) in each of six successive weeks was
280, 295, 275, 305, 300, 290
Find the standard deviation.
2. For the values
20, 121, 132, 123, 145, 151, 119, 133, 134, 130
use the classic outlier detection rule to determine whether any outliers exist.
Perform a hypothesis testing using data from this study, Suggest another statistical technique(s) for the purpose of this study. Explain.
When calculating a confidence interval for the population mean with a known population standard deviation s describe the effects of the following two changes.
Fitting of simple linear regression equation - Given the student population for a school district over the past few years, find the prediction equation for this data.
the national sporting goods association nsga conducted a survey of the ages of individuals that purchased skateboarding
Adjust the data so that you can test the director's claim using a test statistic whose sampling distribution can be approximated by a chi-square distribution.
what is the probability that the second contestant will win
In a takeover bid for a certain company, management of the raiding firm believes that the takeover has a 0.65 probability of success if a member of the board.
(a) What proportion of time is the system shut down? (b) What is the (limiting) averaging number of components that are being repaired?
Write a hypothesis about the length of words in newspapers and magazines, Design and carry out an investigation to test your hypothesis.
For each customer, it records name, ID number, region of the country (1 = East, 2 = South, 3 = Midwest, 4 = West), date of last purchase, amount of purchase, and item purchased.
The problem in deciding the overall winner is that the bass are by nature larger than the other two species of fish. Describe an objective way to find the overall winner that will be fair to all three kinds of contestants.
Each of the 6815 subjects above is considered as belonging to one of the three groups defined by the number of cups of coffee consumed per day (the three columns). Calculate for each of the three groups the proportion of subjects admitted because ..
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