In tests for Extrasensory perception (ESP), an experimenter looks at cards that

Q: In tests for Extrasensory perception (ESP), an experimenter looks at cards that

20 % represents a parameter because it is related with the population . On the other hand , 28 % is a statistic because it is related with sample .

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In tests for Extrasensory perception (ESP), an experimenter looks at cards that are hidden from the subject. Each card contains 1 of 5 symbols, and the subject must name the symbol on each card presented. A subject with no suspected psychic ability has, by chance alone, a 20% chance of correctly guessing the symbol on each card presented. Because the cards are independent, the overall proportion of success can thus be expected to be 20%.

You have no psychic ability and score 28% correct guesses out of a 25 card deck. Is each of the bold values a parameter or a statistic? Explain your answer.

Explanation / Answer

20 % represents a parameter because it is related with the population . On the other hand , 28 % is a statistic because it is related with sample .

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In tests for Extrasensory perception (ESP), an experimenter looks at cards that

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