d by a is be Find the P-value for the test. Un the basıs of the P-value, is the researcher's claim valid? The standalU Tson Source: U.S. Department of Agriculture. 17. Stopping Distances A study found that the average stop- people erage. age en is ping distance of a school bus traveling 50 miles per hour was 264 feet. A group of automotive engineers decided to conduct a study of its school buses and found that for 20 randomly selected buses, the average stopping distance of buses traveling 50 miles per hour was 262.3 feet. The stan- dard deviation of the population was 3 feet. Test the claim that the average stopping distance of the company's buses Is actually less than 264 feet. Find the P-value. On the basis of the P-value, should the null hypothesis be rejected at a = 0.01? Assume that the variable is normally distributed. S. At ers at a two here abies Source: Snapshot, USA TODAY. 18. Copy Machine Use A ence hypothesizes that

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Average

In mathematics, everyone must have heard the term average in one place or other. Almost all types of calculation require taking out an average. In everyday life, the term is used for denoting a certain amount that can be said to be a typical quantity for multiple people or objects. In other words, if a group of people possesses a certain object, then the average gives us an idea regarding the quantity of the object possessed by each person. However, this is solely based on mathematical calculation. It is important to note that most people will not strictly have the average value in a group.