Casio ED-WKBK-PRECALC Datasheet download pdf (Page 30)

The Cost of Car Insurance Activity

For many years, actuaries have kept track of the driving records of car insurance

policy holders. These statistics compare males and females and those under or

above 21 years old. This data is used to determine the amount paid for car

insurance premiums. In this activity, you will compare the cost of car insurance

premiums that resulted from the analysis of this data.

Insurance Co.

Female < 21 Female ≥ 21

Male < 21

Male ≥ 21

Company A $2,046 $1,520 $3,041 $2,108

Company B $1,825 $1,239 $2,617 $1,514

Company C $2,152 $1,637 $2,946 $1,701

Company D $1,773 $1,129 $2,459 $1,477

Company E $2,381 $1,748 $3,291 $2,439

Questions

1. What is the range of costs for car insurance for a female under 21?

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What is the mean cost?

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2. What is the range of costs for car insurance for a male under 21?

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What is the mean cost?

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3. What is the difference between the mean costs of a female and male driver

under 21?

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4. Can you think of some reasons why the cost is so different for male and

female drivers under the age of 21?

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Activity 4 • Statistics with the Casio fx-9750GII

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Casio ED-WKBK-PRECALC Datasheet Page 30