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Situation: Joe, a DOH COVID-19 tracker, found out that the number of infected persons of COVID-19 in seven low-risk provinces of the country are 1, 9, 2, 12, 8, 7, and 10. Suppose that 5 provinces as drawn as sample.
1. What is the mean, variance and standard deviation of the population?
2. How many different samples of size n = 5 can be drawn from the population? List them with their corresponding mean.
3. Construct the sampling distribution of the sample mean.
4. What is the mean of the sampling distribution of the sample mean? Compare this to the mean of the population.
5. What is the variance of the sampling distribution of the sample mean?
Situation: Joe, a DOH COVID-19 tracker, found out that the number of infected persons of COVID-19 in seven low-risk provinces of the country are 1, 9, 2, 12, 8, 7, and 10. Suppose that 5 provinces as drawn as sample.
1. What is the mean, variance and standard deviation of the population?
2. How many different samples of size n = 5 can be drawn from the population? List them with their corresponding mean.
3. Construct the sampling distribution of the sample mean.
4. What is the mean of the sampling distribution of the sample mean? Compare this to the mean of the population.
5. What is the variance of the sampling distribution of the sample mean?
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Answer:
1.Standard deviation is the measure of how far the data is spread from the mean, and population variance for the set measures how the points are spread out from the mean.
Explanation:
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