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If the distribution of the measure of a random variable IS NOT a normal distribution, what implications might that fact have for the study? 200 words.
The null hypothesis is the alternative is Use the given sample data to find out the P-value for the hypothesis test. Provide an interpretation of the P-value.
Past data reveals that the graduation rate was 72% for the medical school at a university. If 10 medical students are randomly selected for that school. Find the probability that only 4 of them will graduate.
What if the assumption E[u/x]=0 is not satisfied? Illustrate using an example. Explain the relationship represented by a population regression function.
Repeating this experiment many times with different samples, what values for the sample means would be possible? What values would repeat more often?
When the results are collected, two of the students discover that their condence intervals dont even overlap. A student in the course who is also taking Stat 311 claims that this result is not surprising. Do you agree?
The singer has the following variety of songs, in no particular order: 7 relationship songs, 6 songs about people, 4 reflective songs, and 4 songs about places.
Suppose the national average for all young adults is 3.7 hours, and the magazine wishes toclaim that their subscribers exercise more on average. State the relevant hypotheses to test this claim. Specifically define any symbols you use.
A sample of 60 smokers has a mean cotinine level of 125. Assuming that sigma=25, find the 90% confidence level estimate of the mean cotinine level of all smokers.
Five black and five white marbles are in a box. without looking, three marbles are taken from the box without replacement. what is the probability that all three are black?
chi-square test for independence of attributes.an investment portfolio manager categorized her investors as having
Determine the most economical monthly shipping schedule. Provide a table showing the routes and total costs.
Statistical Hypothesis test for the given sample
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