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    Testing of mean weight increase New Jersey red chicken

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    Experience raising New Jersey Red chickens revealed the mean weight of the chickens at five months is 4.35 pounds. The weights follow the normal distribution. In an effort to increase their weight, a special additive is added to the chicken feed. The subsequent weights of a sample of five-month-old chickens were (in pounds):

    4.41 4.37 4.33 4.35 4.30 4.39 4.36 4.38 4.40 4.39

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    Conclusion: Since calculated value is less than the critical value , we ...

    Solution Summary

    Step by step solution of students t test is given to examine whether there is any significant increase in the weight of New Jersey red chicken due to some special food additive. Null hypothesis, alternative hypothesis, critical value, test statistic and P value are given with interpretations.