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Central Limit Theorem
Collect some quantitative data (if your data from week 1 is quantitative, you can use it). Find the sample mean and standard deviation. Plot it in a histogram. Does the data seem to follow the bell curve of the normal distribution? What features of the data do or do not fit in with the shape of the normal curve. How much deviation from the curve is to be expected?
What is linear regression measuring and What is the linear regression formula and how is it used?
In teaching the role of statistical application in Health Science, the importance of reliable and valid data is very critical in research process.
Feeling sleepy? Students in a college statistics class responded to a survey designed by their teacher. One of the survey questions.
Historically, my HRV fleet averaged 40,000 miles between breakdowns with a 8000 mile standard deviation. I implemented Continuous Improvement teams to research better inspection methods and after the kaizen, I sampled, randomly 30 HRV cars and found ..
the tread life of a particular brand of tire is a random variable best described by a normal distribution with a mean
Cast a die a number of independent times until a six appears on the up side of the die. Find the probability density function F(x)= P(X
What fraction of the time intervals between successive arrivals will be (i) longer than 2 minutes, (ii) shorter than 4 minutes, (iii) between 1 and 3 minutes.
Find the critical value at the .01 level. Decide if the null hypothesis is to be rejected or not. Make a summary table for your ANOVA test.
according to the consumer electronics manufacturers association 10 of all u.s. households have a fax machine and 52
A random sample of 20 vice presidents of Fortune 500 firms is taken. The amount each vice president paid in federal taxes as a percentage of gross income is determined.
Find the area to the right of z = 0.85 under the standard normal curve.
A biologist with the Department of Agriculture is studying the growth of artichokes. She knows that the number of artichokes produced by each plant follows a distribution which is approximately normal.
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