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1. Describe five data collection techniques in your own words. Be sure to cite any sources you used.
2. Explain why the examination of collected data is so important.
Create a histogram for the following data of the number of miles from residence to place of employment for 30 randomly selected residents of Middletown County.
Computing probability values using normal distribution - How many students earned between $20,000 and $40,000
A bowl with 10 marbles: 2 red marbles, 3 green marbles, and 5 blue marbles. We randomly select 4 marbles from the bowl, WITH REPLACEMENT, that is once a marble is selected, its color is noted and the marble is put back in the bowl (notice this doe..
A run chart is developed that confirms process stability. The level of significance is chosen to be 0.01. (a) Is there evidence to suggest that the process average differs from the target value?
The Type 1 error states the probability of being wrong whenever:
If the voice identifications were made by random guess, find the probability that all 9 victims would select the same person?
Determine the range, variance, and standard deviation for the sample data.
Determine the probability that Mexican American male in the 20 -74 age range has serum cholesterol value greater than 240 mg/dl.
In the solution to this problem, what is n? p? q? Does it appear that both np and nq are larger than 5? Why is this an important consideration?
Find the 90%, 95% and 99% confidence intervals for the proportion of all voters who favor the issue. How many more voters should we include in the sample if we need to reduce the margin of error by half?
What is the probability that a particular driver had exactly two speeding violations?
Hypothesis test for one population mean - What is the alternative hypothesis and What is the null hypothesis?
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