Question

In the United States, the average public school teacher currently earns an annual salary near $55,202. Reported national average salaries for the last six decades are listed below.

Estimate the increase in the national average teachers’ salary over the span of the six decades, 1960 – 2010.

Answer 1

In the United States, the average public school teacher currently earns an annual salary near $55,202. Reported national average salaries for the last six decades are listed below.

Year National Average

Teachers’ Salary

1960 $4,995

1970 $8,626

1980 $15,970

1990 $31,367

2000 $41,807

2010 $55,202

Determine the median in the national average teachers’ salary between the years 1960 and 2010.

$8,626.00

$50,207.00

$15,970.00

$23,668.50

Explanation:

Answer 2

1539.7, answer choice B.

Explanation:

To determine the difference average increase per year between 1980 and 1990, you need to find the difference between the two years and divide by 10.
`(31367-15970)/(10)=1539.7`, or answer choice B.