Nationwide Insurance Would Like to Perform a Chi- Square Test

question 10

Multiple Choice

Nationwide Insurance would like to perform a chi- square test to investigate whether a difference exists in the proportion of male and female teenagers who text while they drive. A random sample of 80 male teenagers found that 50 indicated they texted while driving. A random sample of 120 female teenagers found that 65 indicated they texted while driving. The expected frequency of male teenagers who text is _______.

• A)34
• B)50
• C)30
• D)46

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Definitions:

Yardsticks

Measures or standards used for comparison.

Preventive Actions

Measures taken to detect and eliminate potential causes of non-conformities or other undesirable situations before they occur.

Corrective Actions

Corrective actions refer to steps taken to identify, eliminate, and prevent the recurrence of undesirable behaviors or conditions in an organization or process.

Necessary

Essential or needed to achieve a specific outcome or fulfill a particular need.