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Given 7 male individuals in a Physical Education course, the number of sit ups each individual can do in a one minute period was recorded:
X - 25, 20, 17, 22, 18, 20, 27
By showing your work, find the following statistics from this sample:
Mean ___________ Median ___________ Mode ___________
1st Quartile ___________ 3rd Quartile ______________
Variance ____________ Standard Deviation ______________
For all questions, clearly explain/show your answers. For the Analysis section, justify your answers with the appropriate graphs, statistics, equations, etc.
When using past data, I have found that the proportion of items rejected by quality control personnel is about 3%. We normally make 5000 items per day. For a p chart, what are the upper and lower control limits?
A professor of math refutes the claim that the average student spends 3 hours studying for the midterm exam. Which hypothesis is used to test the claim?
Take a confidence interval for the difference in the average of renting between the first andthird hotel.
An old saying in golf is "you drive for show and you putt for dough." The point is that good putting is more important than long driving for shooting low scores and hence winning money.
Describe the sampling distribution of the sample proportion
A study of cardiovascular risk factors compared heavy smokers, light smokers, and nonsmokers. Both men and women were included in the study and gender differences were also to be investigated. One of the variables measured was the heart rate after..
What is the probability that no more than two of the three are commercial successes?
Suppose it costs $25 per student for the administrators to provide the course materials.
If standard deviation is 50 hours and α is equal to 0.01, what values for mean x will result in rejection of null hypothesis.
We are interested in comparing the proportions of males and females who think earning a large salary is very important to them. I surveyed 200 of each gender and recorded their answers to the question as yes or no.
What is the approximate estimated bootstrap standard error of the median, What is the approximate bias of the median estimated from bootstrapping - What is the bootstrap t confidence interval for the median
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