The Number of Calories in a 12 -Ounce Serving of Randomly-Selected

question 30

Essay

The number of calories in a 12 -ounce serving of randomly-selected regular and lite beers is listed. Is there sufficient evidence to conclude that the mean number of calories for lite beers is significantly less than that for the regular beers? Use $\alpha = 0.10$ . Assume the variables are approximately normally distributed.
$\begin{array} { l c c c c c c c c } \text { Regular: } & 136 & 121 & 128 & 90 & 141 & 149 & 119 & 138 \\ & 132 & 120 & 112 & 172 & 133 & & & \\\\ \text { Lite: } & 100 & 110 & 105 & 103 & 115 & 99 & 123 & 137 \\ & 121 & 156 & & & & & & \end{array}$ a.State the hypotheses.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.

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Definitions:

Cognition

The process of learning and understanding attained through thinking, experiencing, and using the senses.

Solid Food

Foods that are not liquid or pureed, typically introduced to infants around the age of 6 months to complement breast milk or formula.

Cereal

A type of food made from processed grains, often eaten as a breakfast item, served either hot or cold, and frequently accompanied by milk.

Pureed Vegetables

A food preparation technique where vegetables are blended or mashed to a smooth consistency.