Question

The following summarizes the number of fiction books read last summer by a sample of 33 students.Number of students 2,7,16,8Number of books read per student 2,3,4,7What is the mean number of books read? Round your answer to the nearest tenth.

Answer 1

The mean is 4

To find the mean of a data set, we use:

$Mean=\frac{Sum\text{ }of\text{ }values}{Total\text{ }number\text{ }of\text{ }values}$

The values given are:

2, 3, 4, 7

The total number of values are 4. Then:

$Mean=\frac{2+3+4+7}{4}=\frac{16}{4}=4$