# Question

Explain the difference between σ and σx and between m and µ x.

## Answer to relevant Questions

Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5. a. What are the mean and standard deviation of the x sampling distribution? Describe the shape of the x ...Suppose that a sample of size 100 is to be drawn from a population with standard deviation 10. a. What is the probability that the sample mean will be within 1 of the value of µ? b. For this example (n = 100, σ = 10), ...For which of the sample sizes given in Exercise 8.23 would the sampling distribution of p^ be approximately normal if p = .65? if p = .2? A manufacturer of computer printers purchases plastic ink cartridges from a vendor. When a large shipment is received, a random sample of 200 cartridges is selected, and each cartridge is inspected. If the sample proportion ...Consider the following population: {2, 3, 3, 4, 4}. The value of m is 3.2, but suppose that this is not known to an investigator, who therefore wants to estimate m from sample data. Three possible statistics for estimating m ...Post your question

0