Suppose you have the following oil prices: 59.29, 75.79, 84.40, 93.21, 96.54, 103.59, 105.79, 102.18. what is the sample mean? answer to 2 decimal places, bb will allow you to round up or down.

Respuesta :

Mean = (59.29 + 75.79 + 84.40 + 93.21 + 96.54 + 103.59 + 105.79 + 102.18)/8


Mean = 720.79/8

Mean 
= 90.09875

Mean ≈ 90.10  to 2 decimal places.