For an Exam with a Mean of M = 74

question 22

Multiple Choice

For an exam with a mean of M = 74 and a standard deviation of s = 8,Mary has a score of X = 80,Bob's score corresponds to z = +1.50,and Sue's score is located above the mean by 10 points.If the students are placed in order from smallest score to largest score,what is the correct order?​

• A)Bob, Mary, Sue​
• B)​Sue, Bob, Mary
• C)​Mary, Bob, Sue
• D)​Mary, Sue, Bob

---

Definitions:

Null Hypothesis

Refers to a statement or assumption that there is no difference or effect, used as a starting point for statistical testing to be challenged by the alternative hypothesis.

Level Of Significance

The threshold used in statistical tests to decide whether an observed effect is considered statistically significant.

P-Value

A statistical metric that helps you determine the significance of your research results, essentially telling you how likely your data would have occurred by random chance.

One-Tail Test

A statistical test where the region of rejection is on only one side of the sampling distribution, used when the research hypothesis predicts a direction of the effect.