a-confidence-interval-for-the-average-test-score-in-a-class-is-given-as-72479672

Question

A confidence interval for the average test score in a class is given as $open paren 72.4 comma 79.6 close paren$ . What are the sample mean and the margin of error?

Accepted Answer

$x ˉ equals 76.0$

$E equals 3.6$

Answer

$x ˉ equals 76.0$

$E equals 3.6$

Answer

$x ˉ equals 76.0$

$E equals 3.6$

Answer

$x ˉ equals 76.0$

$E equals 3.6$

A confidence interval for the average test score in a class is given as (72.4,79.6)(72.4, 79.6). What are the sample mean and the margin of error?

A confidence interval for the average test score in a class is given as $open paren 72.4 comma 79.6 close paren$ . What are the sample mean and the margin of error?