Mathematics is like music – Enjoy it!!!
Question 1: The blood groups of 30 students of Class VIII are recorded as follows: A,B,O,O,AB,O,A,O,B,A,O,B,A,O,O, A,AB,O,A,A,O,O,AB,B,A,O,B,A,B,O. Represent this data in the form of a frequency distribution table. Which is the most common, and which is the rarest, blood group…
Read MoreExample 3: 100 plants each were planted in 100 schools during Van Mahotsava. After one month, the number of plants that survived were recorded as : 95 67 28 32 65 65 69 33 98 96 76 42 32 38…
Read MoreExample 1: Consider the marks obtained by 10 students in a mathematics test as given below: 55 36 95 73 60 42 25 78 75 62 The data in this form is called raw data. By looking at it in…
Read MoreQuestion 1: Give five examples of data that you can collect from your day-to-day life. Question 2: Classify the data in Q.1 above as primary or secondary data. Class 9 | Home Ex: 14.2 | Question 1
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