A Major Automobile Manufacturer Claimed That the Frequencies of Repairs

Essay

A major automobile manufacturer claimed that the frequencies of repairs on all five models of its cars are the same. A sample of 200 repair services showed the following frequencies on the various makes of cars.
$\begin{array}{ll}\text { Model of Car }&\text { Frequency }\\\mathrm{A} & 32 \\\mathrm{~B} & 45 \\\mathrm{C} & 43 \\\mathrm{D} & 34 \\\mathrm{~E} & 46\end{array}$ At α = 0.05, test the manufacturer's claim.