To test if a six-sided die is fair, a record has been kept of 1,200 throws:
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Value: 1 or 2 3 or 4 5 6
Observed Count: 405 420 190 185
What statistic do you need to compute to obtain the appropriate P-value? Provide the formula with the numbers plugged in! For example (NOT the correct answer!) 2 * 405 + 4/420 - 185/190
The answer is:
The
Chi-Squared statistic is required to compute the P-value:
We would actually use chi-square goodness of fit test here:
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