Four Types of Bicycle Tires Are Ridden in Six Different

question 24

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 appropriate decision? $$\begin{array} { l c c c c } & \text { Tire A } & \text { Tire B } & \text { Tire C } & \text { Tire D } \\\text { City 1 } & 105 & 157 & 112 & 119 \\\text { City 2 } & 142 & 124 & 132 & 144 \\\text { City 3 } & 133 & 121 & 138 & 130 \\\text { City 4 } & 98 & 136 & 110 & 119 \\\text { City 5 } & 114 & 141 & 95 & 128 \\\text { City 6 } & 117 & 138 & 129 & 140\end{array}$$

• A)Reject the null and conclude that all four tires have the same durability.
• B)Fail to reject the null and conclude that there is at least one tire whose durability is different from another tire.
• C)Reject the null and conclude that there is at least one tire whose durability is different from another tire.
• D)Fail to reject the null and conclude that all four tires have the same durability.
• E)Fail to reject the null and conclude that the durability of tires does not change by city.

---

Definitions:

Flexible Budget Report

This is a financial report that adjusts to different levels of activity and provides a more accurate comparison of budgeted and actual performance.

Actual Activity

Actual activity refers to the real, measured amount of work completed or resources consumed within a given time frame, often compared against planned or budgeted levels in various contexts, such as accounting or project management.

Static Budget

A projection of budget data at one level of activity.

Actual Activity

This refers to the measure of the real amount of production activity or work completed in a specified period.