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How do you classify statistical findings in order of power: nominal, ordinal, interval, and ratio?
Give example by making up values.
Use example of Rancidity values in Rice Bran.
An insurance company has determined that each week an average of nine claims are filed in their Atlanta branch. What is the probability that during the next week
The U.S.Census Bureau announced that the median sales price of new homes sold i April 2009 was $221,660, and the mean sales price waas $274,300. Assume that the standard deviation of the prices is $90,000.
If x is a binomial random variable where n = 100 and p = .1, find the possibility that x is less than or equal to 10 using the normal approximation to the binomial.
Critically illustrate out the range? What is the arithmetic mean income? What is the population variance?
In the last municipal election, a sample of 350 registered voters showed that 85 voted for the incumbants. Find out a 98% confidence interval estimate for the proportion of all voters voting for the incumbants.
If not what would be a better testing strategy? Could you form a Null Hypothesis or an Alternative Hypothesis? If yes, what would they be.
To determine her blood pressure, Carolyn divides her day into three parts; morning, afternoon, and evening. She then measures her blood pressure at 4 randomly selected times during each part of the day. What type of sampling is used?
Develop a regression model that could be used to predict the final average in the course based on the first test grade. Predict the final average of a student who made an 83 on the first grade.
Construct a 99% confidence interval (Konfidenz interval) for the difference in proportions of all adults and all teenagers who watched the program and liked it.
Consider a large population of families with three children each. If the genders of children in any family are independent of one another, the number of male children in any family will have a binomial distribution based on three trials.
Biting an unpopped kernel of popcorn hurts! As an experiment, a self-confessed connoisseur of cheap popcorn carefully counted 773 kernels and put them in a popper. After popping, the unpopped kernels were counted. There were 86.
Determine the confidence level used for the given confidence interval.
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