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Two-Way Frequency Table Project
Transcript of Two-Way Frequency Table Project
Two-Way Relative Frequency Table
Joint and Marginal Probabilities
I Don't Know and/ or Understand what Page 6 is asking exactly.
Two-way Frequency Table
Joint and Marginal Frequencies
Hypothesis:I think that the class avg. of color of hair and eyes is brown over all.
Conclusion:class avg. of color hair and eyes was brown.
I think that the class avg. of color of hair and eyes is brown over all.
What color hair?
what color eyes?
Challenges and opportunities
Identify the problem
Explain what success will bring
The Joints are:
brown hair and brown eyes:12
brown hair but don't have brown eyes:2
don't have brown hair but have brown eyes:10
don't have brown hair and brown eyes:1
the marginals are:
Total of brown eyes:22
Total of other than brown eyes:3
total of brown hair:14
Total of other than brown hair:11
The Joint Probabilities are:
the probability of brown hair and brown eyes:48%
the probability of brown eyes but not brown hair:40%
the probability of brown hair but not brown eyes:8%
the probability of other than brown eyes and brown hair:4%
The marginal probabilities are:
The total of brown eyes:88%
the total of other than brown eyes:12%
the total of brown hair:56%
the total than brown hair:44%
Based on Jim Harvey's speech structures