Solutions Statistics

The following data are standard lengths of three species of minnows collected from the Pedernales Ri

Question: The following data are standard lengths of three species of minnows collected from the Pedernales River during the summer of 2003. [8 pts.]

Standard length of minnows
roundnose minnow sand shiner bullhead minnow
45.42 35.09 35.05
50.03 35.26 37.7
45.73 28.33 37.31
53.22 37.43 49.92
48.28 33.37 39.55
57.73 31.7 38.16
54.21 26.82 32.2
46.17 30.86 36.8
43.78 24.89 37.6

a. What statistical test would you conduct to address the claim that average length of minnows differs among species?

b. Use SPSS to conduct the appropriate statistical test.

i. What is the calculated test statistic?

ii. What is the p-value associated with the observed test statistic?

iii. Based on these results, is there a difference in average length among minnow species?

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Answer: The solution file consists of 3 pages
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