question archive The Tonda car manufacturer claimed that the average gas mileage of its new brand of hybrid car is 25 miles per liter
The Tonda car manufacturer claimed that the average gas mileage of its new brand of hybrid car is 25 miles per liter
Subject:StatisticsPrice: Bought3
The Tonda car manufacturer claimed that the average gas mileage of its new brand of hybrid car is 25 miles per liter. The gas mileages for ten randomly selected hybrid cars of the new brand are recorded as 24.4, 25.1, 22.6, 26.2, 25.3, 23.2, 21.9, 23.8, 24.5 and 25.0. Assume that the gas mileage is normally distributed. Does the sample data support the manufacturer's claim at the 0.01 significance level? 7b) State the null hypothesis and alternative hypothesis. O A. Ho: H = 25 m/l H1: u # 25 m/l O B. Ho: H > 25 m/ H1: 4 2 25 m/l O C. Ho: p # 25 m/l H1: H = 25 m/l O D. Ho: H < 25 m/l H1: US 25 m/
