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SCENARIO 11-12
A student team in a business statistics course designed an experiment to investigate whether the brand
of bubblegum used affected the size of bubbles they could blow. To reduce the person-to-person
variability, the students decided to use a randomized block design using themselves as blocks.
Four brands of bubblegum were tested. A student chewed two pieces of a brand of gum and then blew
a bubble, attempting to make it as big as possible. Another student measured the diameter of the
bubble at its biggest point. The following table gives the diameters of the bubbles (in inches) for the
16 observations.
-Referring to Scenario 11-12, the randomized block F test is valid only if the
population of diameters is normally distributed for the 4 brands.
Journal Entry
A record of the financial transactions in the accounting books of a business, showing the accounts and amounts debited and credited.
Net Realizable Value
The estimated selling price of inventory in the ordinary course of business minus any costs of completion, disposal, and transportation.
Allowance for Doubtful Accounts
This is a contra account that reduces accounts receivable to reflect the estimated amount of debts that may not be collected.
Accounts Receivable
Financial obligations of customers to a firm for delivered or utilized goods or services that remain unpaid.
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