a-college-surveyed-students-about-the-number-of-books-they-read-for-leisure-in-a

Question

A college surveyed students about the number of books they read for leisure in a semester. The results are grouped as follows:

Table showing the number of books read for leisure by students, with frequencies for each range and a total of 37 responses.

Estimate the sample mean and sample standard deviation. Use $10$ as the midpoint for the ' $9 plus$ books' group.

Accepted Answer

$x ˉ equals 4.89$

$s sub x equals 2.82$

Answer

$x ˉ equals 4.89$

$s sub x equals 2.82$

Answer

$x ˉ equals 4.89$

$s sub x equals 3.82$

Answer

$x ˉ equals 4.89$

$s sub x equals 3.82$

A college surveyed students about the number of books they read for leisure in a semester. The results are grouped as follows:Estimate the sample mean and sample standard deviation. Use 1010 as the midpoint for the '9+9+ books' group.