M. Burgess & J. Cummins
Mathematics/Career
Awareness
Primary—Students will (be able to) use measures of central tendencies depending on data given.
Secondary—Students will be reinforcing computational skills (addition/division) when finding measures of central tendencies for given data.
Motivation—Career awareness resulting from the understanding of measures of control tendencies, interpreting which is the best descriptive of a given set of data, when job seeking (newspaper articles, want ads will be used to gain student interest.)
Activity—Given the following want-ad in the local newspaper:
WANTED: CUSTODIAN Apex Tool company, 100 Main St., New Haven, CT. Good Benefits. Average Company Salary $50,000. Apply in Person.
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Step I Find the (1) mean (average), (2) mode, (3) median, (4) midrange of the given data:
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DATA:
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$220,000 owner
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30,000 production supervisor 25,000 machinist
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22,000 machine operator
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20,000 drill press operator 18,000 secretary
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15,000 custodian
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Step II Which measure of central tendency is the best descriptive of the given set of data?
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Step III Why is the information given in the want ad regarding salary grossly misleading?