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?

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?

How many 9's are followed by and preceded by numbers divisible by 2? 8 9 6 5 3 5 9 6 8 3 4 9 6 5 2 6 9 7 37 2 9 4 1 3 7 9 4 1 7 3 4 9 8 4 5 3 97 6 1 5 31 95 7 4 2 9 6 8 5 3 2 9 5 7 4 8 9 4 5 1

Find the wrong number in given series. 8.1 9.2 17.3 26.5 43.8 71.5 114.1

Using suitable identity evaluate the (9.7) ^(2) - (0.3) ^(2)

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 ten's digit of 1!+2!+3!+ . . .+97! is

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

Which one of the following mixtures is suitable for making a buffer solution will an optimum pH of 9.2 - 9.3 ?