A Consumer Protection Organization Claims That a New Car Model $\text { Use } \alpha = 0.05$

Essay

A consumer protection organization claims that a new car model gets less than 25 miles per gallon of gas. Ten cars are tested. The results are given below. Test the organization's claim. $\text { Use } \alpha = 0.05$ $\begin{array} { l l l l l l l l l l } 19.8 & 17.6 & 23.8 & 18.9 & 22 & 24.2 & 27.3 & 21.9 & 16.7 & 23\end{array}$