Test statistic and critical value help?

Joane

New member
I can't for the life of me figure out how to solve this problem. Anyone know how?

When a poultry farmer uses his regular feed, the newborn checkens have normally distributed weights with a mean of 61.1 oz. In an experiment with an enriched feed mixture, ten chickens are born with the following weights (in ounces).
66.4, \ 65.1, \ 66.8, \ 68.3, \ 64.6, \ 64.1, \ 64.4, \ 65.4, \ 67.4, \ 63.4
Use the \alpha=0.05 significance level to test the claim that the mean weight is higher with the enriched feed

Find the test statistic t = ________

and

The critical value t = __________
 
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