Chapter 11: Q.33 (page 656)
Complete the table
Short Answer
The table is
Chapter 11: Q.33 (page 656)
Complete the table
The table is
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Get started for freeGraph the situation. Label and scale the horizontal axis. Mark the mean and test statistic. Shade the value.
Determine the appropriate test to be used in the next three exercises.
A personal trainer is putting together a weight-lifting program for her clients. For a -day program, she expects each client to lift a specific maximum weight each week. As she goes along, she records the actual maximum weights her clients lifted. She wants to know how well her expectations met with what was observed.
Suppose an airline claims that its flights are consistently on time with an average delay of at most minutes. It claims that the average delay is so consistent that the variance is no more than minutes. Doubting the consistency part of the claim, a disgruntled traveler calculates the delays for his next flights. The average delay for those flights is minutes with a standard deviation of minutes.
If an additional test were done on the claim of the average delay, but 45 flights were surveyed, which distribution would you use?
Transit Railroads is interested in the relationship between travel distance and the ticket class purchased. A random sample of passengers is taken. Table 11.31 shows the results. The railroad wants to know if a passenger’s choice in ticket class is independent of the distance they must travel.
State the hypothesis:
:
:
= ________
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