For Each of the Following Situations, Indicate Whether the Taxpayer(s)

question 12

Essay

For each of the following situations, indicate whether the taxpayer(s) is(are) required to file a tax return for 2014. Explain your answer.
a.​Debra, age 68, and Jerry, age 70, are married and file a joint return. They received $24,000 in interest income from a savings account.
b.Margie is a single taxpayer with wages in 2014 of $8,400 and interest income of $200.
c.​Janie, age 30, and Scott, age 28, are married and file a joint tax return. They had $17,000 in earnings from wages.
d.​Kim, age 20, is a single college student who is claimed as a dependent by her parents. She earned $2,000 from a part-time job and has $450 in interest income.
e.​Stefanie, a 25-year-old single taxpayer, has wages of $1,500, from which $80 of federal income tax was withheld.

Understand the distinction between unbiased and biased estimators.

Understand and identify the margin of error in estimation context.

Compute and interpret confidence intervals for population means and proportions.

Critically evaluate statistical claims based on confidence interval analysis.

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