Draw a pie-diagram representing the relative frequencies (expressed as percentage) of the eight classes as given below: 12.6, 18.2, 17.5, 20.3, 2.8, 4.2, 9.8, 14.7

the daily minimum temperatures in degrees Celsius recorded in a certain Arctic region are as follows: -12. 5 ,-10. 8 ,-18. 6 ,-8. 4 ,-10. 8 ,-4. 2 ,-4. 8 ,-6. 7 ,-13. 2 , -11. 8 ,-2. 3 , 1.2 , 2.6 ,0,-2. 4 ,0, 3.2 , 2.7 , 3.4 ,0,-2. 4 ,-2. 4 ,0, 3. 2 , 2.7 , 3.4 ,0,-2. 4 ,-5. 8 ,-8. 9 ,-14 ,6,-12. 3 ,-11. 5 ,-7. 8 ,-2. 9 Represent them as frequency distribution table taking -19. 9\ to-15 as the first class interval.

What is the median of the numbers 4.6, 0, 9.3, -4.8, 7.6,2.3,12.7,3.5,8.2,6.1,3.9,5.2?

14th term of an 0.6, 1.7, 2.8, 3.9 , …… is :

Which one of the following is the mean of the data given below? |{:(x_(i)" "6,10,14,18,24,28,30),(f_(i)" "2,4,7,12,8,4,3):}|

The marks of 20 students out of 25 are given below {:(12,17,22,7,11,19,24,18,4,8),(23,2,5,15,21,16,11,9,12,17):}

Draw an ogive to represent the following frequency distribution: Class-interval: 0-4 5-9 10-14 15-19 20-24 No. of students: 2 6 10 5 3

Directions (Questions 6 to 10): Study the following table carefully and answer the questions that follow: Semester Fees (in Rs thousands) For Five Different Courses in 6 Different Years Years Course B.Tech M.Sc. B.Ed. M.Phil Diploma 2005 11.5 5.8 7.5 4.7 1.8 2006 14.5 6.4 11.6 5.8 3.2 2007 20.0 10.2 13.9 8.6 4.8 2008 22.2 14.6 15.8 12.7 5.6 2009 35.8 17.7 18.5 25.1 12.5 2010 50.7 20.9 22.6 18.9 14.9 What was the approximate per cent increase in the semester fees of B.Ed. course in the year 2007 as compared to the previous year? (a) 26% (b) 30% (c) 20% (d) 16% (e) 10%