A frequency distribution of the life times of 400 T.V. picture tubes tested in a company is given below. Find the mode life of a tube. Life time (in hours) Frequency Life time (in hours) Frequency 300-399 14 800-899 62 400-499 46 900-999 48 500-599 58 1000-1099 22 600-699 76 1100-1199 6 700-799 68
Answers
Answered by
1
Answer:
643.54
Step-by-step explanation:
your answer is in the pic
Attachments:
Similar questions