19. The ages in years of 10 teachers in a school are:
32, 41, 28, 54, 35, 26, 26, 33, 38, 40
(a) What is the range of ages of the teachers?
(b) What is the mean age of the teachers?
(c) What is the modal age of the teachers?
Answers
Answered by
3
Answer:
I don't know these answers
Answered by
4
Answer:
(a) range = highest - lowest
highest is equal to 54 and lowest is 26
54-26 is 28 is the answer
(b) mean is sum of all the observation upon no. of observation
26+26+28+32+33+35+38+40+41+54= 353
now,divide 353 with 10is 35.3
I know only two parts. hope it's right
Similar questions