Consider this conclusion based on a study of shoppers\'preferences: \"In a recen

Question

Consider this conclusion based on a study of shoppers'preferences: "In a recent survey, 111 out of 170 consumers reportedthat they preferred plastic bags instead of paper bags for theirgroceries. If preference for paper versus plastic is split 50/50 inthe population, the chance of such extreme results in a sample ofthis size is about 0.0001. Because this is less than 0.01, we canconclude that there is a statistically significant difference inpreference." Give a numerical value for each of thefollowing. WHAT IS THE P VALUE ? Consider this conclusion based on a study of shoppers'preferences: "In a recent survey, 111 out of 170 consumers reportedthat they preferred plastic bags instead of paper bags for theirgroceries. If preference for paper versus plastic is split 50/50 inthe population, the chance of such extreme results in a sample ofthis size is about 0.0001. Because this is less than 0.01, we canconclude that there is a statistically significant difference inpreference." Give a numerical value for each of thefollowing. WHAT IS THE P VALUE ?

Explanation / Answer

The P-value is given in the problem . The chance of such extreme results in a sample of this size isabout 0.0001 i.e., P-value < 0.0001

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