A Sample of 250 Adults Tried the New Multigrain Cereal

question 59

Multiple Choice

A sample of 250 adults tried the new multigrain cereal Wow! A total of 187 rated it as excellent. In a sample of 100 children,66 rated it as excellent. Using the 0.1 significance level,the researcher wishes to show that adults like the cereal better than children. What is the pooled proportion?

• A)0.723
• B)1.408
• C)0.494
• D)0.807

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Definitions:

Declaration of Independence

A foundational document adopted on July 4, 1776, by the Continental Congress, declaring the thirteen American colonies to be independent from British rule.

Sovereignty

The full right and power of a governing body to govern itself without any interference from outside sources or bodies.

Grievances

Complaints or protests, often against injustices or perceived wrongs, that can lead to demands for change or redress.

Standard Error

The standard deviation of the sampling distribution of a statistic, often used to measure the accuracy of a sample mean.