Mathematics is like music – Enjoy it!!!
Question 8: 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…
Read MoreQuestion 7: The value of π upto 50 decimal places is given below: 3.14159265358979323846264338327950288419716939937510 Make a frequency distribution of the digits from 0 to 9 after the decimal point. What are the most and the least frequently occurring digits? Question…
Read MoreQuestion 6: Three coins were tossed 30 times simultaneously. Each time the number of heads occurring was noted down as follows: 0 1 2 2 1 2 3 1 3 0 1 3 1 1 2 2 0 1 2…
Read MoreQuestion 5: A study was conducted to find out the concentration of sulphur dioxide in the air in parts per million (ppm) of a certain city. The data obtained for 30 days is as follows: 0.03 0.08 0.08 0.16 0.05…
Read MoreQuestion 4: The heights of 50 students, measured to the nearest centimetres, have been found to be as follows: 161 150 154 162 164 171 153 159 161 154 152 153 161 159 162 165 168 165 158 170 162…
Read MoreQuestion 3: The relative humidity (in %) of a certain city for a month of 30 days was as follows: 98.1 98.6 89.2 92.3 96.2 92.1 99.2 90.3 97.1 93.5 84.9 90.2 86.5 95.3 92.9 96.3 92.7 95.1 97.2 93.3…
Read MoreQuestion 2: The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16…
Read MoreQuestion 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 MoreStatistics – Bar graph, Histogram & Frequency polygon In this tutorial you will learn how to draw few very important and basic graphs in statistics. It is bit lengthy video that covers different scenarios like uniform classes, varying width classes,…
Read MoreStatistics This tutorial is recommended for the beginners to watch to understand the following: What is statistics Data Information Frequency distribution table Ungrouped Grouped Class Intervals Overlapping Non-overlapping Class limits Upper class limit Lower class limit
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