When Testing the Difference Between the Means of a Treatment

question 10

Essay

When testing the difference between the means of a treatment group and a placebo group,the computer display below is obtained.Using a 0.05 significance level,is there sufficient evidence to support the claim that the treatment group (variable 1)represents a population whose mean is less than the mean for the untreated population? Explain.

---

Definitions:

Cash Receipts

Money or cash equivalents received during a period of time including revenues from normal business operations and other activities.

Purchases On Account

The acquisition of goods or services with an agreement to pay for them at a later date, typically through the use of credit.

Accounts Receivable Subsidiary Ledger

A ledger containing detailed information on transactions related to individual customers to whom sales on credit have been made.

Collections From Customers

The process and activities involved in gathering all payments owed by customers for goods and services sold to them.