Discuss the below:
Q1: For each of the following scores, use the one-tail five percent (5%) criteria and determine if the occurrence of the score would be considered relatively likely or unlikely?
a. 18 b. 24 c. 25
Q2. For a two-tailed test or nondirectional hypothesis, the researcher is interested in results that occur in either tail of the normal curve (e.g., they are interested in extreme high scores and extreme low scores). Therefore, when using the 5% criteria to judge the likelihood of a score, the researcher identifies the score that divides the curve into three parts (the first part containing the lower 2.5% of scores, the second part containing the middle 95% of the scores, and the third part containing the upper 2.5% of the scores). What value of z separates the normal curve into these three sections?
Q3. For each of the following scores, use the two-tail five percent (5%) criteria and determine if the occurrence of the score would be considered relatively likely or unlikely?
a. 25 b. 26
Q4. Why was a score of 25 considered unlikely in #6 but not unlikely in #8?
mean = 20.37
sd 2.75