Question

The table shows Annabeth’s scores on her math assignments. Find the mean. Enter your answer in the box.
Assignment 1 2 3 4
Score 89.7 92.6 83.9 96.2

Answer 1

Answer:

90.6

Step-by-step explanation:

( 89.7 +92.6+ 83.9+ 96.2 )4

Answer 2

The mean = 90.6

Given :

The table shows Annabeth’s scores on her math assignments.

$\begin{array}{ | c | c|c |c | c| } \hline \\ \bf Assignment \: & \sf \:1 & \sf \:2& \sf \:3 & \sf 4\\ \hline \\ \bf Score\:& \sf 89.7& \sf 92.6& \sf 83.9 & \sf96.2\\ \hline\end{array}$

To find :

The mean

Solution :

Step 1 of 2 :

Calculate sum of scores and number of assignments

Here the given table is

$\begin{array}{ | c | c|c |c | c| } \hline \\ \bf Assignment \: & \sf \:1 & \sf \:2& \sf \:3 & \sf 4\\ \hline \\ \bf Score\:& \sf 89.7& \sf 92.6& \sf 83.9 & \sf96.2\\ \hline\end{array}$

Number of assignments = 4

Sum of the scores

= 89.7 + 92.6 + 83.9 + 96.2

= 362.4

Step 2 of 2 :

Find the mean

The required mean

$\displaystyle \sf{ = \frac{Sum \: of \: the \: scores }{Number \: of \: assignments} }$

$\displaystyle \sf{ = \frac{362.4}{4} }$

$\displaystyle \sf{ = 90.6}$

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