Rehan scored 87 on two history tests this term. His other history test scores were 79, 82, and 90. Find the mean of Rehan's history test scores.

Respuesta :

Answer:

Step-by-step explanation:

Mean= Sum of observations/ Number of observations

[tex]=\frac{87+79+82+90}{4}=\frac{338}{4}=84.5[/tex]

Answer:

i am not sure im just getting point sorry...

Step-by-step explanation: