Use the hourly rates on the right​ (rounded to the nearest whole​ dollar) for 35 support employees in a private college to complete the frequency distribution and find the grouped mean.
$13 $17 $9 $6 $13 $14 $14
$15 $12 $20 $16 $22 $17 $28
$17 $18 $13 $6 $13 $11 $13
$28 $16 $17 $23 $11 $20 $11
$6 $15 $12 $11 $15 $12 $8
Complete the class frequency table below.
class interval class frequency midpoint
6-10 _______ 8