`100` surnames were randomly picked up from a local telephone directry and the frequency distribution of the number of l

Ask a Question


Question Asked by a Student from EXXAMM.com Team


Q 3002580438.     `100` surnames were randomly picked up from a local telephone directry and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows
Find the median and mean number of letters in the surnames.
A

Median=12.5, Mean=9.1

B

Median=9.09, Mean=5.12

C

Median=8.05, Mean=8.32

D

Median=7.31, Mean=7.16

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

Find instant solution to any question from our database of 1.5 Lakh + Questions

 


Access free resources including

  • 100% free video lectures with detailed notes and examples
  • Previous Year Papers
  • Mock Tests
  • Practices question categorized in topics and 4 levels with detailed solutions
  • Syllabus & Pattern Analysis

Engineering


Medical


Banking


DEFENCE


SSC


RRB


CBSE-NCERT


OLYMPIAD