Task: Show your solution and share your own words.

I. Normal Curve and Z Scores Instructions: Answer the following questions. For items with computation, you are asked to submit a picture/proof of your computation on how you arrived at your answer. 1. What information is provided by the sign (+/-) of a z-score? What information is provided by the numerical value of the z-score? 2. A population consists of the following N= 5 scores: 0, 6, 4, 3, and 12. a. Compute for the population mean and the standard deviation. b. Find the z-score for each score in the population. c. Transform the original population into a new population of N=5 with a mean of 100 and a standard deviation of 20. 3. Find the X value corresponding to z = 0.25 for each of the following distributions. a. H = 40 and o = 4. b. H = 40 and a o = 8 C. H = 40 and a o = 12 d. H = 40 and a g = 20 Il. Hypothesis Testing Instructions: Explain the following using one sentence each. 1. Null hypothesis 2. Alternative hypothesis 3. Type l error 4. Type ll error 5. The null hypothesis is rejected