Home
Class 10
MATHS
100 surnames were randomly picked up fro...

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:

Determine the median number of letters in the surnames. Find the mean number of letters in the surnames? Also, find the model size of the surnames.

Text Solution

Verified by Experts

The correct Answer is:
7.88
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    ZEN PUBLICATION|Exercise TEXTUAL EXERCISES (Exercise 13.4)|3 Videos

  • STATISTICS

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS (MULTIPLE-CHOICE QUESTIONS)|20 Videos

  • STATISTICS

    ZEN PUBLICATION|Exercise TEXTUAL EXERCISES (Exercise 13.2)|6 Videos

  • SOME APPLICATIONS OF TRIGONOMETRY

    ZEN PUBLICATION|Exercise ADDITIONAL QUESTIONS (VALUE BASED QUESTIONS )|2 Videos

  • SURFACE AREAS AND VOLUMES

    ZEN PUBLICATION|Exercise ZEE ADDITIONAL QUESTIONS -HOTS [HIGHER ORDER THINKING SKILLS]-QUESTIONS|11 Videos

Similar Questions

Explore conceptually related problems

100 surnames were randomly randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows : (i) Draw a histogram to depict the given information.

In a legislative assembly election, a political group hired a public relations firm to promote its candidate in three ways: telephone, house calls, and letters. The cost per contact (in paise) is given in matrix A as A=overset("Cost per contact")([(,40,),(,100,),(,50,)]){:("Telephone"),("Housecall"),("Letter"):} The number of contacts of each type made in two cities X and Y is given by B=overset("Telephone Housecall Letter")(" "[(1000,500,5000),(3000,1000,"10,000")]){:(toX),(toY):} . Find the total amount spent by the group in the two cities X and Y.