Homework SourseThe mean SD of lncalcium intake mg among 25 females 12 to 1
The mean (± SD) of ln[calcium intake (mg)] among 25 females, 12 to 14 years old, below the poverty level is 6.56 ± 0.64. Similarly, the mean (± SD) ln[calcium intake (mg)] among 40 females, 12 to 14 years old, above the poverty level is 6.80 ± 0.76 a) What is the appropriate test to test for a significant difference in means between the two groups? b) Compute a 95% confidence interval for the difference in means between the two groups.
Solution
![The mean (± SD) of ln[calcium intake (mg)] among 25 females, 12 to 14 years old, below the poverty level is 6.56 ± 0.64. Similarly, the mean (± SD) ln[calcium i](/WebImages/25/the-mean-sd-of-lncalcium-intake-mg-among-25-females-12-to-1-1064988-1761556946-0.webp "The mean (± SD) of ln[calcium intake (mg)] among 25 females, 12 to 14 years old, below the poverty level is 6.56 ± 0.64. Similarly, the mean (± SD) ln[calcium i")
