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To test whether the two population means differ significantly
Two boats, the Prada (Italy) and the Oracle (U.S.A.), are competing for a spot in the upcoming America's Cup race. They race over a part of the course several times. Below are the sample times in minutes. At the .05 significance level, can we conclude that there is a difference in their mean times?
Boat Times (minutes)
Prada (Italy) 12.9 12.5 11.0 13.3 11.2 11.4 11.6 12.3 14.2 11.3
Oracle (U.S.A.)
She then selects a sample of 102 football players and finds that their average math SAT is 460. Use alpha =.01 to perform the appropriate hypothesis test.
What control chart(s) would you use for this data and what are the final control limits?
If statistically significant, do you believe the difference is large enough to be significant? If so, to whom, and explain why? Is normality assumption fulfilled? Describe.
If the probability of making a two point shot is greater than the probability of making a three point shot, why do coaches allow some players to shoot the three point shot if they have the opportunity? Use expected value to explain your answer.
Construct an appropriate control chart and comment on the process.
Suppose that the results of the sample lead to rejection of the null hypothesis. Classify that conclusion as a:
At 0.05 level of significance, is there evidence of noteworthy difference in variation in sales among different aisle locations?
Determine the probability of choosing at random license plate which ends in the even number?
At 0.01 significance level can we conclude that mean fare has increased? Determine the p-value?
Developing the histogram and pie chart for the sample data.
Based on this survey, what conclusions can you reach about the use of the Internet at work.
Construction of frequency distribution table for the given continuous data.
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