SOLUTION: A geologist collects hand-specimen sized pieces of limestone from a particular area. A qualitative assessment of both texture and color is made with the following results. Is there
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Question 1057880: A geologist collects hand-specimen sized pieces of limestone from a particular area. A qualitative assessment of both texture and color is made with the following results. Is there evidence of association between color and texture for these limestones? Explain your answer.
chart below
color
TEXTURE LIGHT MEDIUM DARK
FINE 4 20 8
MEDIUM 5 23 12
COARSE 21 23 4
Hi
TEXTURE LIGHT MEDIUM DARK
FINE 4 20 8
MEDIUM 5 23 12
COARSE 21 23 4
Using www.vassarstats.net/newcs.html
chi-square = 17.73
df = (3-1)(3-1) = 4
CV = .2718
there is evidence of association between color and texture for these limestones