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Unformatted text preview: weak (nothing to compare. . we can’t sure about strenth with a diagram itself) and some outliers are presented. c) Null hypothesis: Sleep and score do not have a linear correlation Alternative hypothesis: Sleep and score have a linear correlation d) D.P = 0.197 The magnitude of r is less than DP, so we don’t have enough statistical evidence to reject the null hypothesis. Null hypothesis shouldn’t be rejected. e) We can learn that relation between the final exam score and amount of sleep the night before is not significantly strong. Actually we can say “weak in the population, Sleep and score do not have a linear correlation”...
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This note was uploaded on 07/11/2011 for the course ECON 101 taught by Professor Duhamel during the Spring '10 term at BC.
- Spring '10