# Question: For a sample of n 25 scores what is

For a sample of n = 25 scores, what is the value of the population standard deviation (s) necessary to produce each of the following a standard error values?

a. σM = 10 points?

b. σM = 5 points?

c. σM = 2 points?

a. σM = 10 points?

b. σM = 5 points?

c. σM = 2 points?

## Relevant Questions

For a population with a mean of µ = 80 and a standard deviation of σ = 12, find the z-score corresponding to each of the following samples. a. µ = 83 for a sample of n = 4 scores b. µ = 83 for a sample of n = 16 ...Researchers at a National Weather Center in the northeastern United States recorded the number of 90° days each year since records first started in 1875. The numbers form a normal shaped distribution with a mean of µ = 9.6 ...A researcher is investigating the effectiveness of a new medication for lowering blood pressure for individuals with systolic pressure greater than 140. For this population, systolic scores average µ = 160 with a standard ...A random sample is selected from a normal population with a mean of µ = 100 and a standard deviation of s = 20. After a treatment is administered to the individuals in the sample, the sample mean is found to be µ = 96. a. ...Ackerman and Goldsmith (2011) found that students who studied text from printed hardcopy had better test scores than students who studied from text presented on a screen. In a related study, a professor noticed that several ...Post your question