Samples of peanut butter produced by three different manufacturers were tested for salt content (in milligrams), with the following results: Brand 1 2.5 8.3 3.1 4.7 7.5 6.3 Brand 2 4.5 3.8 5.6 7.2 3.2...


Samples of peanut butter produced by three different manufacturers were tested for salt content (in milligrams), with the following results:


































Brand 1



2.5



8.3



3.1



4.7



7.5



6.3



Brand 2



4.5



3.8



5.6



7.2



3.2



2.7



Brand 3



5.3



3.5



2.4



6.8



4.2



3.0



Is there a significant difference in the mean amount of salt in these samples? Use .


a. State the null and alternative hypotheses.


b. Determine the test criteria: assumptions, level of significance, test statistic.


c. Using the information on the computer printout that follows, state the decision and conclusion to the hypothesis test.


d. What does thep-value tell you? Explain.




May 25, 2022
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