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Two Stats Problems 14.30 and 14.42

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14.30 According to ta new survey from the Boston indicators project website, Boston city schools had an average of 3.6 students per computer for the 2007-2008 school year. The average was the same for the state of Massachusetts but higher than the average for any of the suburban districts. A sample of Boston city schools reported their average number of students per computer in the sequence that follows;3.5 2.6 3.8 5.7 2.6 3.4 2.7 4.6 3.4 3.6 4.2 3.7 4.6 2.9;A. Determine the median and the number of runs above and below the median.;B. Use the runs test to test these data for randomness about the median. Use?= 0.05;14.42 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.;Undergrad GPA 3.5 3.1 2.7 3.7 2.5 3.3 3.0 2.9 3.8 3.2;GPA at Graduation 3.4 3.2 3.0 3.6 3.1 3.4 3.0 3.4 3.7 3.8;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

 

Paper#35150 | Written in 18-Jul-2015

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