Question

5. Cal. A rithmetic \begin{tabular}{cc} Roll No. & Marke \\ 1 & 20 \\ 2 & 26 \\ 3 & 27 \\ 4 & 28 \\ 5 & 35 \\ 6 & 40 \\ 7 & 42 \\ 8 & 53 \\ 9 & 59 \\ 10 & 60 \\ \hline & \( \sum x=390 \) \\ \hline \end{tabular} \[ \bar{x}=\frac{\bar{\beta} x}{N} \]

          5. Cal. A rithmetic
\begin{tabular}{cc} 
Roll No. & Marke \\
1 & 20 \\
2 & 26 \\
3 & 27 \\
4 & 28 \\
5 & 35 \\
6 & 40 \\
7 & 42 \\
8 & 53 \\
9 & 59 \\
10 & 60 \\
\hline & \( \sum x=390 \) \\
\hline
\end{tabular}
\[
\bar{x}=\frac{\bar{\beta} x}{N}
\]

5. Cal. A rithmetic

Roll No. Marke

1 20

2 26

3 27

4 28

5 35

6 40

7 42

8 53

9 59

10 60

∑ x=390

x̅=(β̅ x)/(N)

Added by Ivan J.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Mukesh Devi

Step 1

The formula is given as: \[ \bar{x} = \frac{\sum x}{N} \] where \(\bar{x}\) is the arithmetic mean, \(\sum x\) is the sum of all observations, and \(N\) is the number of observations. Show more…

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5. Cal. A rithmetic \begin{tabular}{cc} Roll No. & Marke \\ 1 & 20 \\ 2 & 26 \\ 3 & 27 \\ 4 & 28 \\ 5 & 35 \\ 6 & 40 \\ 7 & 42 \\ 8 & 53 \\ 9 & 59 \\ 10 & 60 \\ \hline & \( \sum x=390 \) \\ \hline \end{tabular} \[ \bar{x}=\frac{\bar{\beta} x}{N} \]