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Exercises

ExercisesFall 2001 Professor Paul GlassermanB6014: Managerial Statistics403 Uris Hall1. Descriptive Statistics2. Probability and Expected Value3. Covariance and Correlation4. Normal Distribution5. Sampling6. Confidence Intervals7. Hypothesis Testing8. Regression Analysis8 ExercisesDescriptive StatisticsFall 2001 Professor Paul GlassermanB6014: Managerial Statistics403 Uris Hall0 1 2 3 4 5 6 7 8 # Occurrences01234567 ValuesFigure 1: Histogram for Problem 11 .Find the median of the data in Figure 1 .2 .Find the standard deviation of the data in Figure 1 .3 .Five students from the 1999 MBA class took jobs in rocket science after graduation.

Finance: mean = 25, standard deviation = 2 Marketing: mean = 75, standard deviation = 12 Correlation between score in Finance and same student’s score in Marketing = 0.84 Mary, a student in Cluster Ψ, scored a 30 in Finance and a 90 in Marketing.We are interested in comparing her performance on the two exams relative to the rest of the

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