Find the Standard Deviation and Variance of the Scores on a Final

question 7

Short Answer

Find the standard deviation and variance of the scores on a final exam.
65,88,83,80,78,90,92,85,74,70,95,62

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Definitions:

Modified AGI

Adjusted Gross Income (AGI) with certain adjustments added back in, often used in tax calculations to determine eligibility for certain tax benefits.

Married Filing Joint

A filing status on U.S. tax returns allowing married couples to combine their incomes, deductions, and credits on a single tax return, potentially leading to tax benefits.

American Opportunity Tax Credit

A credit that allows qualifying students or their parents to reduce their federal income tax based on education expenses paid.

Modified AGI

Adjusted Gross Income with certain deductions added back in, used for determining eligibility for specific tax deductions and credits.