Question

the table displays the scores of students on a recent exam. find the mean of the scores to the nearest 10th.

Explanation:

Step1: Calculate the total score

Multiply each score by the number of students and sum them up.

$$
LATEXBLOCK0
$$

Step2: Calculate the total number of students

Sum up the number of students.

$$ 2 + 8+1 + 6+6+4+2+2=31 $$

Step3: Calculate the mean

Divide the total score by the total number of students.

$$ \frac{2455}{31}\approx79.2 $$

Answer:

\(79.2\)