Dr Patton Is a Professor of English

question 73

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 95% 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

---

Definitions:

Purchases Discounts

Purchases discounts are reductions in price given by suppliers to buyers for early payment of invoices.

Credit Memo

A document issued by a seller to a buyer, reducing the amount that the buyer owes to the seller typically due to a return or an error in billing.

Recognition of Cost

The accounting principle that requires expenses to be recorded in the period in which they are incurred, regardless of when the payment is made.

Merchandise Sold

Merchandise sold refers to the goods that have been purchased by customers from a company, resulting in revenue.