CBSE 2022 | गुरुत्वाकर्षण - L8 | GRAVITATION | Class 9 NCERT विज्ञान | 5 PM | Ruchi Mam

Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows: 1 6 2 3 5 12 5 8 4 8 10 3 4 12 2 8 15 1 17 6 3 2 8 5 9 6 8 7 14 12 (i) Make a grouped frequency distribution table for this data, taking class width 5 and one of the class intervals as 5 - 10. (ii) How many children watched television for 15 or more hours a week?

H @ F ! 3U 6 % G I T * P L 8 $ ^ 9 S 2 7 & A M K + J © D 4 # 5 & E What should come in place of the question mark(?) in the following series based on the above arrangement F3U %IT L$ ^ ?

The following data : 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21,17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25 is grouped in the classes 0 –5, 5 –10, 10 –15 etc. Find the frequency of the class 20 –25.

2 P J @ 8 $ L B 1 V # Q 6 delta G W 9 K C D 3 © • ₤ 5 F R 7 A Y 4. P @ L is to Y 7 5 in the same way as $ 1 # is to

B 5 R 1 @ E K 4 F 7 c L A M 2 P 3 % 9 H I W 8 * 6 U J $ V Q # Which of the following is exactly in the middle between L and U in the above arrangement?

Sheet Ex-2 (L-2) (3-5)|| Ex-3 (6-9), CPS-7, 8

The series of natural numbers is divided into grounds as (1), (2, 3, 4), (3, 4, 5, 6, 7), (4, 5, 6, 7, 8, 9, 10)………. If sum of elements in the 20^(th) ground is l , then l is equal to

In a class of 35 students of Geography, following marks were obtained out of 10 marks in unit test -1, 0, 2, 3, 4, 5, 6, 7, 2, 3, 4, 0, 2, 5, 8, 4, 5, 3, 6, 3, 2, 7, 6, 5, 4, 3, 7, 8, 9, 7, 9, 4, 5, 4, 3. Represent the data in the form of a group frequency distribution.