Construct a confidence interval for µd, the mean of the differences d for the population of paired data. Assume that the population of paired differences is normally distributed.
-If $\overline { \mathrm { d } } = 3.125 , \mathrm {~S} _ { \mathrm { d } } = 2.911$, and $\mathrm { n } = 8$, determine a 90 percent confidence interval for $\mu _ { \mathrm { d } }$.
A) $2.435

Question

Construct a confidence interval for µd, the mean of the differences d for the population of paired data. Assume that the population of paired differences is normally distributed.
-If $\overline { \mathrm { d } } = 3.125 , \mathrm {~S} _ { \mathrm { d } } = 2.911$, and $\mathrm { n } = 8$, determine a 90 percent confidence interval for $\mu _ { \mathrm { d } }$.
A) $2.435 < \mu _ { \mathrm { d } } < 5.075$
B) $1.175 < \mu _ { \mathrm { d } } < 5.075$
C) $1.175 < \mu _ { \mathrm { d } } < 3.815$
D) $2.435 < \mu _ { \mathrm { d } } < 3.815$

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The Answer of Construct a confidence interval for µd, the mean of the differences d for the population of paired data. Assume that the population of paired differences is normally distributed.
-If $\overline { \mathrm { d } } = 3.125 , \mathrm {~S} _ { \mathrm { d } } = 2.911$, and $\mathrm { n } = 8$, determine a 90 percent confidence interval for $\mu _ { \mathrm { d } }$.
A) $2.435 < \mu _ { \mathrm { d } } < 5.075$
B) $1.175 < \mu _ { \mathrm { d } } < 5.075$
C) $1.175 < \mu _ { \mathrm { d } } < 3.815$
D) $2.435 < \mu _ { \mathrm { d } } < 3.815$

Construct a Confidence Interval for µD, the Mean of the Differences