Solve. Express your answer as a signed number.
-In a statistics course, you need to carry out the following computation: $\frac{(-0.8)^{2}+(0.1)^{2}+(0.4)^{2}+(-0.7)^{2}}{4}$. Find this number, rounded to the nearest hundredth.
A) 0.42
B) 0.33
C) 0.29
D) 1.9

Question

Quizplus · Accepted Answer

First, calculate each square: $(-0.8)^2 = 0.64$, $(0.1)^2 = 0.01$, $(0.4)^2 = 0.16$, $(-0.7)^2 = 0.49$. Add them: $0.64 + 0.01 + 0.16 + 0.49 = 1.3$. Divide by 4: $\frac{1.3}{4} = 0.325$. Rounded to the nearest hundredth, the answer is 0.33.

Solve Express Your Answer as a Signed Number (−0.8)2+(0.1)2+(0.4)2+(−0.7)24\frac{(-0.8)^{2}+(0.1)^{2}+(0.4)^{2}+(-0.7)^{2}}{4}4(−0.8)2+(0.1)2+(0.4)2+(−0.7)2​ Find This Number, Rounded to the Nearest Hundredth

Solve Express Your Answer as a Signed Number $\frac{(-0.8)^{2}+(0.1)^{2}+(0.4)^{2}+(-0.7)^{2}}{4}$ Find This Number, Rounded to the Nearest Hundredth