Six People Have Declared Their Intentions to Run for a Trustee

question 16

Multiple Choice

Six people have declared their intentions to run for a trustee seat in the next local election. A
Political poll is conducted during the campaign among 1,020 voters to determine if there is any clear
Preference among the voters. The responses are shown below.
What is the critical value at the 5% level of significance?

• A) 11.070
• B) 3.841
• C) 5.991
• D) 9.236
• E) 9.438

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Definitions:

Hypothesis Testing

A statistical method used to decide whether a hypothesis about a parameter in a population is supported by the data gathered from a sample.

Test Statistic

A numerical value employed in statistical hypothesis testing for deciding if the null hypothesis should be discarded.

Confidence Interval

A range of values, determined from sample statistics, that is believed to contain the true population parameter with a certain probability.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it marks the threshold for statistical significance.