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Testing Procedure, p-Value and Confidence Interval

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The mean + sd of In [calcium intake (mg)] among 25 females, 12 to 14 years of age, below the poverty level is 6.56 + 0.64. Similarly, the mean + 1 sd of In [calcium intake (mg)]among 40 females, 12 to 14 years of age, above the poverty level is 6.80 + 0.76.

8.3) What is the appropriate procedure to test for a significant difference in means between the two groups?
8.4) Implement the procedure in problem 8.3 using the critical value method
8.5) What is the p-value corresponding with your answer to problem 8.4?
8.6) Compute a 95% CI for the difference in means between the two groups.

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This solution uses Excel to determine the answers to the question, including the proper test to use, the p-value, and the confidence interval. The solution is also provided in Word.

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The mean + sd of In [calcium intake (mg)] among 25 females, 12 to 14 years of age, below the poverty level is 6.56 + 0.64. Similarly, the mean + 1 sd of In [calcium intake (mg)]among ...

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