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  3. 5. a u.s dime weighs 2.260 grams when minted. a ra

5. A U.S dime weighs 2.260 grams when minted. A random sample of 20 circulated dimes...

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Statistics

5. A U.S dime weighs 2.260 grams when minted. A random sample of20 circulated dimes showed a mean weight of 2.248 grams with astandard deviation of .024 grams. Using alpha = 0.01, is the meanweight of all circulated dimes lower than the mean weight? What isthe Excel formula to calculate the p-value?

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4.0 Ratings (702 Votes)
Aim To testwhether the mean weight of all circulated dimes lower than the meanweight 2260 gramsNull hypothesisH0 The mean weight of all circulateddimes are greater than or equal to the mean weight 2260Alternate hypothesisHa The mean weight of all circulated dimes arelesser than the mean weight 2260Appropriatetest The sample size is lesser than 30 and thepopulation standard    See Answer
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