Using the Information Below, Answer the Questions That Follow

question 56

Multiple Choice

Using the information below, answer the questions that follow.
Miss Bridget teaches in a small learning support class. The follow are the data from a recent math assessment from three of her students: 84, 80, 74.
-What is the standard deviation?

• A) 4.11
• B) 10
• C) 79.33
• D) 16.8889

Describe the role and limitations of descriptive and inferential statistics in research.

Realize the inherent uncertainty in verifying the true nature of the null hypothesis in empirical research.

Recognize the challenges and limitations in completely controlling for external variables in research studies.

Understand the concept and use of z scores in statistical analysis.