The following table shows age distribution and location of a random sample of 166 buffalo in a national park. 0.05 level of significance. Age Lamar District Nez Perce District Firehole District Row Total Calf 16 15 10 41 Yearling 11 14 8 33 Adult 38 32 22 92 Column Total 65

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The following table shows age distribution and location of a random sample of 166 buffalo in a national park. 0.05 level of significance.

Age Lamar District Nez Perce District Firehole District Row Total
Calf 16 15 10 41
Yearling 11 14 8 33
Adult 38 32 22 92
Column Total 65 61 40 166

 

a) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)

b) what are the degrees of freedom?

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