# Question: The mean of a population of raw scores is 48

The mean of a population of raw scores is 48 (σx = 16).Your X is 44 (with N = 40) .Using the .05 criterion with the region of rejection in both tails of the distribution, should you consider the sample to be representative of this population? Why?

## Answer to relevant Questions

On a standard test of motor coordination, a sports psychologist found that the population of average bowlers had a mean score of 24, with a standard deviation of 6. She tested a random sample of 30 bowlers at Fred’s ...When we compute the z-score of a sample mean, (a) What must you compute first? (b) What is its formula? (c) What is the formula for the z-score of a sample mean? (d) It describes the mean’s location among other means on ...Poindexter’s uncle is building a house on land that has been devastated by hurricanes 160 times in the past 200 years. However, there hasn’t been a major storm there in 13 years, so his uncle says this is a safe ...Foofy claims that a one-tailed test is cheating because we use a smaller zcrit, and therefore it is easier to reject H0 than with a two-tailed test. If the independent variable doesn’t work, she claims, we are more likely ...We have a X of 40 under the condition of people tested in the morning versus a X of 60 for people tested in the evening. Assuming they accurately represent their populations, how do you envision this relationship in the ...Post your question