Stat350project2

# Stat350project2 - 3. H : The mean weight gain for a random...

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1. Column1 Mean 120 Median 121 Standard Deviation 21.38819 Sample Variance 457.4545 Range 78 Minimum 83 Maximum 161 Q1 106.25 Q3 130.25 Column2 Mean 99.08333 Median 98 Standard Deviation 18.04267 Sample Variance 325.5379 Range 62 Minimum 70 Maximum 132 Q1 87.25 Q3 109.75 Together Mean 109.5417 Median 107 Standard Deviation 22.10445 Sample Variance 488.6069 Range 91 Minimum 70 Maximum 161 Q1 94 Q3 123.25 2. We are 95% confident that the mean weight gain for the high protein diet level is between 106.41 and 133.59. We are 95% confident that the mean weight gain for the low protein diet level is between 87.62 and 110.55.
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Unformatted text preview: 3. H : The mean weight gain for a random rat with high protein diet is equivalent to that of a rat with low protein diet. H A : The mean weight gain for a random rat with high protein diet is not equivalent to that of a rat with low protein diet. α =0.05 df = 21.393 critical value = 2.518 < |t s | <2.831 t = -2.5894 p-value = 0.0169 Conclusion: Reject H : The mean weight gain for a random rat with high protein diet is not equivalent to that of a rat with low protein diet....
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## This note was uploaded on 05/06/2008 for the course STAT 350 taught by Professor Abercrombie during the Spring '08 term at UMBC.

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