# Question

Describe the distribution of sample means (shape, expected value, and standard error) for samples of n = 100 selected from a population with a mean of µ = 40 and a standard deviation of σ = 10.

## Answer to relevant Questions

A sample of n = 4 scores has a mean of µ = 75. Find the z-score for this sample: a. If it was obtained from a population with µ = 80 and σ = 10. b. If it was obtained from a population with µ = 80 and σ = 20. c. If it ...A normal distribution has a mean of µ = 54 and a standard deviation of σ = 6. a. What is the probability of randomly selecting a score less than X = 51? b. What is the probability of selecting a sample of n = 4 scores with ...The average age for licensed drivers in the county is µ = 40.3 years with a standard deviation of σ = 13.2 years. a. A researcher obtained a random sample of n = 16 parking tickets and computed an average age of M = 38.9 ...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 ...A sample of n = 40 is selected from a normal population with µ = 75 msec. and s = 12, and a treatment is administered to the sample. The treatment is expected to increase scores by an average of 4 msec. a. If the treatment ...Post your question

0