Four Types of Bicycle Tires Are Ridden in Six Different

Multiple Choice

Four types of bicycle tires are ridden in six different cities to see if the tires lasted about the same number of miles.If there are differences, then that tire could promote its durability to potential customers.Using the data in the table below and an alpha of 0.05, what is the null hypothesis? $$\begin{array} { l c c c c } & \text { Tire A } & \text { Tire B } & \text { Tire C } & \text { Tire D } \\\text { City 1 } & 105 & 157 & 112 & 119 \\\text { City 2 } & 142 & 124 & 132 & 144 \\\text { City 3 } & 133 & 121 & 138 & 130 \\\text { City 4 } & 98 & 136 & 110 & 119 \\\text { City 5 } & 114 & 141 & 95 & 128 \\\text { City 6 } & 117 & 138 & 129 & 140\end{array}$$

A) The durability of the tires between the cities is equal.
B) The durability of the tires is dependent on the city and type of tire.
C) The durability of the tires is dependent on the type of tire.
D) The durability between the types of tire is equal.
E) The durability of the tires is dependent on the city.