Dr Patton Is a Professor of English

question 106

Multiple Choice

Dr. Patton is a professor of English. Recently she counted the number of misspelled works in a group of student essays. She noted the distribution of misspelled words per essay followed the normal distribution with a standard deviation of 2.44 words per essay. For her Tuesday class of 50 students, the mean number of misspelled words per essay was 6.05. Construct a 90% confidence interval for the mean number of misspelled words in the population of student essays.

• A) 5.374 to 6.726
• B) 5.161 to 6.939
• C) 5.102 to 6.998
• D) 5.482 to 6.618
• E) 5.445 to 6.3655

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Definitions:

Creativity Test

Assessments designed to evaluate a person's ability to generate new ideas, solutions, or artistic expressions.

Practice Problems

Exercises or questions designed to reinforce learning by providing individuals with opportunities to apply knowledge or skills.

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Logic

The study of principles of reasoning, especially the structure of propositions and the way in which conclusions follow from premises.