Question

Pricey pizza- The cost of a meal might affect how customers evaluate and appreciate food. To investigate, researchers worked with an Italian all-you-can-eat buffet to perform an experiment. A total of$139$ subjects were randomly assigned to pay either$\backslash (4$ or$\backslash )8$ for the buffet and then asked to rate the quality of the pizza on a$9-$point scale. Subjects who paid $\backslash (8$ rated the pizza$11\%$ higher than those who paid only$\backslash )4.$

Identify the explanatory and response variables, the experimental units, and the treatments.

Short answer

The explanatory and reaction variables, the experimental units, and the remedies are price of food , high-satisfactory score of food , Italian all-you-can-consume buffet and fee of $\$4$ or $\$8$for the buffet and score of pizza on $9$factor scale .

Step-by-step solution

Given information

We need to find that the explanatory and response variables, the experimental units, and the treatments.

Explanation

The reaction variable is the focal point of a query in a examine or experiment. An explanatory variable is one which explains modifications in that variable.

In this situation reaction variable is exceptional score of meals and explanatory variable is value of meals.

The experimental gadgets is Italian all-you-can-consume buffet .

Treatment right here is fee of either$\$4$or $\$8$for the buffet and score of pizza on $9$factor scale .