Maths chapter 15 class 10 {સ્વાઘ્યાય - 15.1(Ex-18,19,21,23)}

-56-(-19)-21+23

For the following grouped frequency distribution find the mode: Class: 3-6,6-9,9-12,12-15,15-18,18-21,21-24 Frequency: 25,10,23,12,3

From a grouped frequency distribution from the following data by inclusive method taking 4 as the magnitude of class intervals. 31,23,19,29,22,20,16,10,13,34, 38,33,28,21,15,18,36,24,18,15, 12,30,27,23,20,17,14,32,26,25 18,29,24,19,16,11,22,15,17,10

Form a grouped frequency distribution from the following data by inclusive method taking 4 as the magnitude of class intervals. 31,23,19,29,22,20,16,10,13,34 38,33,28,21,15,18,36,24,18,15 12,30,27,23,20,17,14,32,26,25 18,29,24,19,16,11,22,15,17,10

Weightage of Chapters in Class 12 Boards Maths Exam ?

Themodeofthedata 15, 14, 19,20, 14, 15, 16, l4, 15, 18, 14, 19, 15, 17, 15 is 15. If last observation is changed to 14, then the new mode is

The following distribution shows the daily pocket allowance given to the children of a multistorey building. The average pocket allowance is Rs 18.00. Find out the missing frequency: Class 11-13 13-15 15-17 17-19 19-21 21-23 23-25 interval: Frequency: 7 6 9 13 - 5 4

For the following data of daily wages (in rupees0 received by 30 labourers in a certain factory, construct a grouped frequency distribution table by dividing the range into class intervals of equal width, each corresponding to 2 rupees, in such a way that the mid-value of the first class interval corresponds to 12 rupees. 14,16,16,14,22,13,15,24,12,23,14,20,17,21,22,18,18,19,20,17,16,15,11,12,21,20,17,18,19,23