Maths chapter 15 class 10 {સ્વાઘ્યાય -15.1(Ex. -15,16,17)}

Find class widht of class 10.5 to 15.5

Ex.-4 Q.15-20

The marks obtained (out of 20) by 30 students of a class in a test are as follows: 14, 16, 15, 11, 15, 14, 13, 16, 8, 10, 7, 11, 18, 15, 14, 19, 20, 7, 10, 13, 12, 14, 15, 13, 16, 17, 14, 11, 10, 20. Prepare a frequency distribution table for the above data using class intervals of equal width in which one class interval is 4-8 (excluding 8 and including 4).

17.995 xx 16.005 + 15.999 xx 15.001 = ?

Prepare a frequency series of the ages of 25 students of Class XI in your school . 15,16,16,17,18,18,17,15,15,16,16,17,15,16,16,15,16,16,15,17,17,18,19,19,15

For what value of x the mode of the following data is 15 ? 15, 16, 17, 13, 12, 15, 16, 15, 16, x + 9

Ex-1 Q.01 to 15

Make the following classes continuous . 6-10, 11-15,15-20.

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