The results of pass percentage of Class X and XII in C.B.S.E examination for 5 years are given in the following table: Year, 1994-95, 1995-96, 1996-97, 1997-98, 1998-99 X, 90, 95, 90, 80, 98 XII, 95, 80, 85, 90, 95 Draw bar graphs to represent the data

The following table shows the interest paid by a company (in lakhs): Year,1995-96,1996-971997-98,1998-99,1999-2000 Interest (in lakhs of rupees),20,25,15,18,30 Draw the bar graph to represent the above information.

The weekly pocket expenses (in rupees) of 30 students of a class are given below: 62, 80, 110, 75, 84, 73, 60, 62, 100, 87, 78, 94, 117, 86, 65, 68, 90, 80, 118, 72, 95, 72, 103, 96, 64, 94, 87, 85, 105, 115 Construct a frequency table with class intervals 60-70 (where 70 is not included), 70-80, 80-90. etc.

In 20 packets of a one kg atta, the actual content of atta was as given below (in kg) 0.95, 0.98, 1.02, 1.10, 1.05, 0.96, 0.97, 0.85, 0.90, 0.92, 0.97, 0.975, 1.005, 1.10, 1.15, 1.00, 1.02, 1.05, 1.10, 1.00 A packet was selected from the lot at random. Find the probability that the packet contains (i) 1 kg atta (ii) less than 1 kg atta (iii) More than 1 kg atta

The relative humidity (in % ) of a certain city for a month of 30 days was as follows: 98.1 98.6 99.2 90.3 86.5 95.3 92.9 96.3 94.2 95.1 89.2 92.3 97.1 93.5 92.7 95.1 97.2 93.3 95.2 97.3 96.2 92.1 84.9 90.2 95.7 98.3 97.3 96.1 92.1 89 What is the range of this data?

The relative humidity (in % ) of a certain city for a month of 30 days was as follows: 98.1 98.6 99.2 90.3 86.5 95.3 92.9 96.3 94.2 95.1 89.2 92.3 97.1 93.5 92.7 95.1 97.2 93.3 95.2 97.3 96.2 92.1 84.9 90.2 95.7 98.3 97.3 96.1 92.1 89 Construct a grouped frequency distribution table with classes 84 - 86, 86 - 88, etc.

The relative humidity (in %) of a certain city for a month of 30 days was as follows: 98.1 98.6 99.2 90.3 86.5 95.3 92.9 96.3 94.2 95.1 89.2 92.3 97.1 93.5 92.7 95.1 97.2 93.3 95.2 97.3 96.2 92.1 84.9 90.2 95.7 98.3 97.3 96.1 92.1 89 (i) Construct a grouped frequency distribution table with classes 84 - 86, 86 - 88, etc. (ii) Which month or season do you think this data is about? (iii) What is the range of this data?

Consider the marks, out of 100, obtained by 51 students of a class in a test, given in Table 14.9. M a r k s"N u m b e r o f S t u d e n t s"0-10 5 10-20 10 20-30 4 30-40 6 40-50 7 50-60 3 60-70 2 70-80 2 80-90 3 90-100 9Tot a l 51 Draw a freque