Kenji earned the test scores below in English class.

{79, 91, 93, 85, 86, and 88}

After his next test, his mean and median scores both changed to 88. What does he earn on his test?

Correct answer:

t7 =  94

Step-by-step explanation:

t1=79 t2=91 t3=93 t4=85 t5=86 t6=88 sort:{ 79, 85, 86, 88, 91, 93}  s6=t1+t2+t3+t4+t5+t6=79+91+93+85+86+88=522 μ6=6s6=6522=87 m6=286+88=87 m7=88 μ7=88  μ7 = 7t1++t7 = 7s6+t7  t7=7 μ7s6=7 88522=94

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