marias phone bills were $95, $67, $43, and $115. what was the mean, or average, of her phone…
marias phone bills were $95, $67, $43, and $115. what was the mean, or average, of her phone bills?\n$55\n$72\n$80\n$105
Answer
Explanation:
Step1: Find sum of bills
$95 + 67+43 + 115=(95 + 115)+(67 + 43)=210+110 = 320$
Step2: Calculate the mean
The number of bills is $n = 4$. Mean $\bar{x}=\frac{320}{4}=80$
Answer:
$80$