Calculator commands and proper labels required. Round probabilities, test statistics, critical values and P values to the thousands.

8. Conduct a hypothesis test showing all of your steps. A company claims the standard deviation of their SUV's gas mileage was below 4.5 mpg. A random sample of 23 SUV's had a standard deviation of 3.4 mpg. Test the claim with a 0.05 level of significance. a) State the hypotheses and label the claim. b) Is the test left-tailed, right-tailed, or two-tailed (circle one)? c) What is/are the critical value(s)? Draw a picture. d) What is the test-statistic? aro beend off tojon jonesjar ol notelosh woy tol ancanon owt ovic) . nolaulagos sufferle ta w of bsingmoo sulay- (S aulev lashho or bemagmos onelisia fest ( misto lemgino sift of aland ofsion .non e) Give one reason for your decision to rejectot reject Ho based on the test statistic compared to critical value, draw a conclusion by relating it back to the original claim