Question

These are the high temperatures for one week in July,SundayMondayTuesdayWednesdayThursdayFridaySaturday74°75°80°76°75°81°78°What is the mean high temperature for this week?A. 74°B. 75°C. 76°D. 77°E 78°

Answer 1

D. 77°

Explanation

Step 1

The mean of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set

$M=\frac{Sum}{\nu\text{mber of values}}$

then

Let

data

number of data:7(seven days of the week)

$\text{Sum}=74+75+80+76+75+81+78=539$

replace

$\begin{gathered} M=\frac{539}{7}=77 \\ 77\~ \end{gathered}$

I hope this helps you