Answer:
Step-by-step explanation:
Mode. is. 2
Mean. Is 4.2
Median. Is. 4.5
Answer:
sin(C) = opposite side / hypotenuse
= 15/17
You should be able to multiply 91 by 8 to get the sum of the first 8 tests, then add the score on the 9th test. Then to get the average of the sum of the 9 tests you need to divide it by 9.
((91*8)+78)/9=89.555555555555.... So, 90%
Answer:
=3
=−2
Step-by-step explanation: