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Based on the 2000 Census, the proportion of the California population aged 15 years old or older who are married is p = 0.524. Suppose n = 1000 persons are to be sampled from this population and the sample proportion of married persons (ρ-hat) is to be calculated. What is the mean of the sampling distribution of ρ-hat?
A) 0.0158
B) 0.0166
C) 0.2494
D) 0.5240
If the voice identifications were made by random guess, find the probability that all 9 victims would select the same person?
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Compute a 90 percent confidence interval for the difference among the two population proportions. The CEO of the company would like to find out if Canadians.
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Using data table given below, find out the range and median?
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The 99% confidence interval estimate for a population variance when a sample standard deviation of 12 is obtained from a sample of 10 items is:
Multiple choice questions based on regression - A regression and correlation analysis resulted in the following information
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What is the arithmetic mean selling price?
Explain which data techniques you are most familiar with/have used: in a previously done project that involved the collection and analysis of data and explain why the examination of collected data is so important.
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