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Describe whether statements regarding statistical significance are true or false.
When your results are found to be statistically significant, can one conclude that they will have a meaningful effect in the clinic.
The researcher can determine the level of statistical significance (if so how)
Be certain to mention the direction of the relationship, the strength of the relationship, and whether our findings are statistically significant
In Colorado Springs the newspaper runs mug shots of wanted criminals. The 17% of those published are arrested through information provided to the police. If 200 are published, find the probability that less than 30 are arrested.
Dividend is expected to grow 7% a year for next 3 years and then at 5% a year after that. Determine the expected dividend per share for each of the next five years?
A confidence interval increases in width as:
What is the alternative hypothesis consistent with the claim the test subject is an expert? Which of the following is consistent with the rule for the null hypothesis and with the alternative:
Suppose that you wish to perform a nonparametric test for a difference among the medians of three or more independent populations. Which of these tests would be appropriate?
You wish to do a community needs assessment survey of a community to find out how much office space is needed by professionals in the community.
If there is an outage, there is a .05 probability that the resulting losses will be very large, approximately $ 80 million in lost earnings. Also, it is estimated that there is a .95 probability of only slight losses of around $ 1 million. What is..
What are the assumptions underlying a normal distribution? What are the assumptions underlying a binomial distribution? Why do we want to assume that our sample data represent a population distribution?
Use a 0.05 significance level to test the claim that this sample comes from a population with a married percentage of less than 58.6%.
Serum ferritin is used in diagnosing iron deficiency. In a study conducted recently researchers discovered that in a sample of 28 elderly men the sample standard deviation of serum ferritin was 52.6 mg/L. For 26 younger men the sample standard dev..
The standard deviation is 2 pounds. If 15% of the suitcases are overweight, Determine the maximum weight allowed by the airline. Assume the variable is normally distributed.
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