Self-Injection Made Easy: Yes, You Can Do I Yourself!

Difference Sample Mean Std. Err. DF T-Stat P-value μ1 - μ2 26.91 1.214187 1.4744174 22.16298 0.0039 (b) Give a 90% confidence interval for the amount of vitamin C lost. I will use the conservative degrees of freedom of 1, or since the computer already did the work, I could use 1.4744174 both give t* = 6.192 ................
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