In 2011,computers of Brand a Controlled 25% of the Market,Brand

question 91

Essay

In 2011,computers of Brand A controlled 25% of the market,Brand B 20%,Brand C 10%,and brand D 45%.In 2015,sample data was collected from many randomly selected stores throughout the country.Of the 1,200 computers sold,280 were Brand A,270 were Brand B,90 were Brand C,and 560 were Brand D.Has the market changed since 2011? Test at the 1% significance level.

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Definitions:

Installment Accounts Receivable

Money owed to a company for goods or services purchased on a payment plan, typically including interest charges.

Aging of Accounts Receivable

A report or process that categorizes a company's accounts receivable according to the length of time an invoice has been outstanding.

Promissory Note

A written promise to pay a specified sum of money to a certain entity at a specified date or on demand.

Maturity Date

The date on which a financial obligation must be repaid in full.