# #5 - Four dif erent types of fertilizers are used on...

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Anova: Single Factor SUMMARY Groups Count Sum Average Variance Column 1 6 37 6.166667 0.566667 Column 2 6 34 5.666667 1.466667 Column 3 6 21 3.5 1.9 Column 4 6 24 4 0.8 ANOVA Source of Variation SS df MS F P-value F crit Between Groups 29.66667 3 9.888889 8.356808 0.000846 4.938193 Within Groups 23.66667 20 1.183333 Total 53.33333 23

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2. Calculate the f-ratio. 3. Find the critical value. 4. Show the logic of your conclusion. 5. Answer the question that is asked. Fertilizer1 Fertilizer2 Fertilizer3 Fertilizer4 6 5 6 3 7 8 3 5 6 5 3 3 5 5 2 4 7 5 4 4 6 6 3 5 (a) H0: m1 = m2 = m3 =m3 Ha: At least one of the means is dif erent from the rest (b) F = 8.3568 (c) Critical value = 4.9382 (d) Since 8.3568 > 4.9382, we reject H0 and accept Ha. (e) The type of fertilizer has an effect on the mean number of raspberries produced.
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Unformatted text preview: Four dif erent types of fertilizers are used on raspber y plants. The number of raspber ies on each randomly selected plant is given below. Test the claim that the type of fertilizer makes no dif erence in the mean number of raspber ies per plant. Use a .01 level of significance. Fertilizer 1: 6,7,6,5,7,6. Fertilizer 2: 5,8,5,5,5,6. Fertilizer 3: 6,3,3,2,4,3. Fertilizer 4: 3,5,3,4,4,5. ; 1. Formulate the nul and alternative hypotheses....
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## This note was uploaded on 10/26/2011 for the course MAT 101 taught by Professor Choi during the Fall '11 term at Trident Technical College.

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#5 - Four dif erent types of fertilizers are used on...

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