Question

Can someone help plz.

Answer 1

a

or is their a fourth answer

Explanation:

Answer 2

The outlier (20%) would cause her grade to decrease.

Explanation:

(88 + 92 + 92 + 96 + 98) / 5 = 93.2% (Before the outlier)

(88 + 92 + 92 + 96 + 98 + 20) / 6 = 81% (After)

The outlier caused her grade to decrease by 12.2%