A consumer advocacy group claims that the mean amount of juice in a 18 ounce bottled drink is not 18 ounces, as stated by the bottler. A) $\mathrm { H } _ { 0 } : \mu = 18$ ounces $\mathrm { H } _ { \mathrm { a } } : \mu 18$ ounces D) $\mathrm { H } _ { 0 } : \mu \neq 18$ ounces $\mathrm { H } _ { \mathrm { a } } : \mu = 18$ ounces

Question

A consumer advocacy group claims that the mean amount of juice in a 18 ounce bottled drink is not 18 ounces, as stated by the bottler.

A) $\mathrm { H } _ { 0 } : \mu = 18$ ounces
$\mathrm { H } _ { \mathrm { a } } : \mu < 18$ ounces

B) $\mathrm { H } _ { 0 } : \mu = 18$ ounces
$\mathrm { H } _ { \mathrm { a } } : \mu \neq 18$ ounces

C) $\mathrm { H } _ { 0 } : \mu = 18$ ounces
$\mathrm { H } _ { \mathrm { a } } : \mu > 18$ ounces

D) $\mathrm { H } _ { 0 } : \mu \neq 18$ ounces
$\mathrm { H } _ { \mathrm { a } } : \mu = 18$ ounces

Quizplus · Accepted Answer

The correct choice is B because the advocacy group is claiming the mean amount is not equal to 18 ounces, which suggests a two-tailed test where the alternative hypothesis is $\mu \neq 18$ ounces.

A Consumer Advocacy Group Claims That the Mean Amount of Juice