Question

QUESTION 2 The following are scores from mathematics quiz \begin{tabular}{|l|l|l|} \hline Score (x) & Frequency (f) & fx \\ \hline 0 & 3 & 0 \\ \hline 1 & 2 & 2 \\ \hline 2 & 5 & 10 \\ \hline 3 & 6 & 18 \\ \hline 4 & 7 & 28 \\ \hline 5 & 9 & 45 \\ \hline 6 & 11 & 66 \\ \hline 7 & 8 & 56 \\ \hline 8 & 7 & 56 \\ \hline 9 & 4 & 36 \\ \hline 10 & 3 & 30 \\ \hline \( \Sigma \) & 65 & 347 \\ \hline \end{tabular} Calculate the mean (Round to 1 decimal place).

          QUESTION 2
The following are scores from mathematics quiz
\begin{tabular}{|l|l|l|}
\hline Score (x) & Frequency (f) & fx \\
\hline 0 & 3 & 0 \\
\hline 1 & 2 & 2 \\
\hline 2 & 5 & 10 \\
\hline 3 & 6 & 18 \\
\hline 4 & 7 & 28 \\
\hline 5 & 9 & 45 \\
\hline 6 & 11 & 66 \\
\hline 7 & 8 & 56 \\
\hline 8 & 7 & 56 \\
\hline 9 & 4 & 36 \\
\hline 10 & 3 & 30 \\
\hline \( \Sigma \) & 65 & 347 \\
\hline
\end{tabular}

Calculate the mean (Round to 1 decimal place).

QUESTION 2
The following are scores from mathematics quiz

Score (x) Frequency (f) fx

0 3 0

1 2 2

2 5 10

3 6 18

4 7 28

5 9 45

6 11 66

7 8 56

8 7 56

9 4 36

10 3 30

Σ 65 347

Calculate the mean (Round to 1 decimal place).

Added by Stephen C.

Elementary and Intermediate Algebra

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

Instant Answer

Solved by Expert Suzanne Harwood

Step 1

The mean is given by: Mean = (Σfx) / (Σf) where Σfx is the sum of the product of scores and their frequencies, and Σf is the sum of the frequencies. Show more…

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QUESTION 2 The following are scores from mathematics quiz \begin{tabular}{|l|l|l|} \hline Score (x) & Frequency (f) & fx \\ \hline 0 & 3 & 0 \\ \hline 1 & 2 & 2 \\ \hline 2 & 5 & 10 \\ \hline 3 & 6 & 18 \\ \hline 4 & 7 & 28 \\ \hline 5 & 9 & 45 \\ \hline 6 & 11 & 66 \\ \hline 7 & 8 & 56 \\ \hline 8 & 7 & 56 \\ \hline 9 & 4 & 36 \\ \hline 10 & 3 & 30 \\ \hline \( \Sigma \) & 65 & 347 \\ \hline \end{tabular} Calculate the mean (Round to 1 decimal place).