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1. Using the data from the previous exercise, repeat the calculations by applying the deviation score method; however, assume that the data are for a finite population.
2. Assume you have the following datasets for a sample: {3, 3, 3, 3, 3}; {5, 7, 9, 11}; {4, 7, 8}; {33, 49}
a. Compute S and S2.
b. Describe the results you obtained.
Sampling distribution for the sample mean for a sample of size 160. This looks even more like a normal curve. This looks almost exactly like a normal curve. What have we seen from the above example?
suppose we are interested in the proportion of left handed statistics student and we take a sample to estimate the
fifty people in the civilian labor force are randomly selected and the sample average age is computed to be 36.4.a find
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If four students are to be randomly selected from this group, find the probability that exactly two undergraduates will be among the four chosen.
a parcel service randomly selected 48 packages it received. the sample has a mean weight of 18.6 pounds. assume that
if we reject the null hypothesis what can we conclude subject to the ? risk?null hypothesis is falsealternative
determine the critical region and critical values for z that would be used to test the null hypothesis at the given
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What is the appropriate set of hypotheses to test such that a possible outcome of the test would indicate;
A catering company is buying equipment in order to set up their own store. They have a choice of two ovens that they can purchase for the store.
Interpret the estimated tolerance intervals and the confidence interval in the context of the situation related to the exercise.
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