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Determine the mean, median, and range for each of two data sets. b. Determine standard deviation using rule of thumb for each of data sets. c. Distinguish two sets and describe what you discover. Following data sets shows ages of first seven presidents (President Washington through President Jackson) and seven most recent presidents comprising President Obama. Age is given at time of inauguration.
First 7: 57 61 57 57 58 57 61Second 7: 61 52 69 64 46 54 47
What are differences between parametric dependent and independent samples? My facilitator has been known to describe a scenario with two objects and an associated measurement versus another scenario with one object and two associated measurements ..
A study was conducted to determine if there was a relationship between the prices a non-member of a club paid for various publications and the prices that a member paid for the same publications. The data gathered is shown below.
If a baseball player's batting average is 0.340 or 34%, find the probability that the player will have a bad season and only score at most 60 hits in 200 times at bat?
Her results (in hours until turning a particular shade of brown) are in the table below. At ∞= .01, did she see a difference between the two treatments?
Use a 0.05 significance level to test the claim that king-size cigarettes with filters have a lower mean amount of nicotine than the mean amount of nicotine in non-filtered king-size cigarettes.
For each of the following situations, indicate what the general impact on the Type II error probability will be:
Note that under the exponential assumption, P(X>t) = exp(-t/theta). If t=5, use the result from (a) to find an approximate one-sided lower 95% confidence limit for theta.
Do time series models rely heavily on cause and effect relationships between variables in order to ensure accurate predictions?
The lengths of human pregancies are normally distributed with a mean of 268 days and a standard deviation of 15 days.
While exploring data that was collected for an investigation of resources needed for software testing and improvement, you have found an outlier.
A recent study of minimum wage earners found that 51.3% of them are 16 to 24. suppose a sample of 600 minimum wage earners is selected. is it appropriate to use the normal approximation to the binomial distribution.
What is the purpose of a post-hoc test with analysis of variance? What is probabilistic equivalence? Why is it important?
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