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In some area of interest to you (not from the text), create a hypothetical experiment to resolve a claim about a population with sampling of data and a hypothesis test. Describe the claim, the experiment, the test statistic, and clearly state the null and alternative hypotheses. In fact, the outline of a good response looks like this:
I) Description of problem and statement of claim
II) Statement of null hypothesis
III) Statement of alternative hypothesis
IV) Description of experiment and sampling plan
V) Description of test statistic and the form of the actual test with critical value(s)
Two popular drugs used for the treatment of depression are Resithan and Exemor. A random sample of 588 depressed individuals is selected and treated with Resithan, and 201 find relief from their depression.
Using classical methods discussed in class, try to estimate the probability of winning.
Find out the sample size raised by mean also standard deviation, a sampling distribution may approach among which of the following values.
An insurance company sells $300 deductible annual automobile insurance policies to a certain category (age, driving records) for $1000.00 The insurance company has set four different accident types
Explain the concepts involved in hypothesis testing, including what hypothesis testing is, and an explanation of the four types of scales used to measure data.
How do we use a least squares regression line? Please explain in your own words. What is the range for the coefficient of determination? Please explain in your own words.
The value of the z score in a hypothesis test is influenced by a variety of factors. Assuming that all other variables are held constant explain how the value of z is influenced by each of the following: (a) increasing the difference b/w the sampl..
A binomial experiment has 10 trials with a probability of success of 0.62 in each trial. What is the standard deviation of the binomial random variable?
Suppose that 1 out of 500 infant's are born with Down's Syndrome.
A single test on a certain device costs more than the entire lot. It is therefore decreed that not more than three tests will be performed per lot.
Wwith standard deviation of 3.8 miles. Find a 99% confidence interval for the population mean number of weekly miles denise runs.
Suppose for a particular set of data r = 0.889, ybar = 5.5, n = 15 and the equation for the regression line is yhat = 3.5 + 2.5x. Find the best-predicted value of y given that x = 2.0.
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