Question

Following is the distribution of ages (in years) of teachers in a school Age (in years) Number of teachers 21 – 25 70 26 – 30 110 31 – 35 165 36 – 40 320 41 -45 200 46 – 50 135
• Determine the class limit of third-class interval.
• Determine the class size.
• Determine the class mark of fifth class interval
. • How many teachers are in the age group 26 to 45 years​

Answer 1

Answer:

wdadwadad

Step-by-step explanation: