Suppose We Are Testing the Difference Between Two Proportions at the 0.05

question 58

Multiple Choice

Suppose we are testing the difference between two proportions at the 0.05 level of significance. If the computed z is -1.07, what is our decision?

• A) Reject the null hypothesis
• B) Do not reject the null hypothesis
• C) Take a larger sample
• D) Reserve judgment
• E) None of these statements is correct

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Definitions:

T Distribution

A probability distribution used in statistical analysis for small sample sizes, shaped similarly to a normal distribution but with thicker tails.

Standard Normal Distribution

A normal distribution with a mean of 0 and a standard deviation of 1.

Type I Error

The incorrect rejection of a true null hypothesis, also known as a "false positive" finding.