The Three Major Automobile Manufacturers Have Entered Their Cars in the Indianapolis

question 28

Essay

The three major automobile manufacturers have entered their cars in the Indianapolis 500 race. The speeds of the tested cars are given below.
$\begin{array}{lll}\text { Manufacturer } A&\text { Manufacturer } B&\text { Manufacturer } C\\180 & 177 & 175 \\175 & 180 & 176 \\179 & 167 & 177 \\176 & 172 & \\190 & &\end{array}$ At α = .05, test to see if there is a significant difference in the average speeds of the cars of the auto manufacturers. Use both the critical and p-value approaches.

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Definitions:

Credit Sales

Sales made by a business where the payment is deferred to a later date, enabling customers to purchase goods or services on credit.

Cash Receipts

The collection of money, including coins, notes, electronic payments, etc., by a business from its customers or other transactions.

Invoice Cost

The initial price listed on an invoice for purchased goods or services, not including any additional fees or discounts.

Zero-based Budgeting

A budgeting method where all expenses must be justified for each new period, starting from a "zero base," without assuming that past budget allocations remain valid.