The Journal of Professional Nursing article titled “The Graduate Record Examination as an Admission Requirement for the Graduate Nursing Program” reported a significant correlation between undergraduate grade point average (GPA) and GPA at graduation from a graduate nursing program. The following data were collected on 10 nursing students who graduated from a graduate nursing program.
Compute the Spearman rank coefficient and test the null hypothesis of no relationship versus a positive relationship. Use a level of significance equal to 0.05.
Answer to relevant QuestionsA working knowledge of statistics is very helpful when you want to understand the statistics reported in the news. The news media and our government often make a statement such as, “Crime rate jumped 50% in your ...The U.S. Department of Transportation tracks and reports a wide variety of information regarding airlines and airports. It reports the “percent on-time” frequently. Compare the percent on-time arrival performance for the ...Using formula (3.2), calculate the Spearman rank correlation coefficient for the data in Example 14. 14 (p. 697).Recall that formula (3.2) is equivalent to the definition formula (3.1) and that rank numbers must be used with ...Track coaches, runners, and fans talk a lot about the “speed of the track.” The surface of the track is believed to have a direct effect on the amount of time that it takes a runner to cover the required distance. To ...Consider the following sequence of defective parts (d) and nondefective parts (n) produced by a machine. Can we reject the hypothesis of randomness at a = 0.05 ?
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