To identify: The bias and determine how the statistic might differ from the population parameter. Also suggest correction.
This is a case of Response bias.
The proportion of customers who like the flavor will be much higher in this sample as compared to the population since customers were influenced by the money and samples given by the company The company could perform a comparative study between already established flavor and the new flavor to get less biased results.
Objective: To collect customer feedback on cereal flavor.
Method: Free samples distributed at a local mall and offers shoppers a $5 gift certificate if they will fill out a brief form to evaluate the product.
Result: 94% respondents like the new flavor.
Explanation:
This is a case of Response bias.
The company was influencing the customers by using money and gifts that left a positive impact on the customers.
Thus, the proportion of customers who like the flavor will be much higher in this sample as compared to the population.
The company could perform a comparative study between already established flavor and the new flavor to get less biased results.
Chapter 10 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
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