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Given, Runs scored in eight innings = We know, Arithmetic mean  Therefore, mean score is
The first five whole numbers are     We know, Arithmetic mean   Therefore, mean of the first five whole numbers is
Numbers Frequency 1 1 2 2 3 1 4 3 5 5 6 4 7 2 8 1 9 1 (i)  is the highest number. (ii)  is the lowest number (iii) Range of the data = Highest number - Lowest number (iv) Arithmetic mean =  Therefore, mean of the data is
Yes, the demand of English books rose faster. It can be seen that the difference in height of the two bars keep on decreasing.
In 1998, the difference in the sale of the two language books was the least
Data Tally bars Number of times 12     3 13     4 14   5 15    10 16    6 18     1 19       1 Clearly, 15 occurs 10 times. Therefore, 15 is the mode of the data.
(i) Given, 2, 6, 5, 3, 0, 3, 4, 3, 2, 4, 5, 2, 4 Arranging in ascending order: Here, 2, 3 and 4 all occur three times. Therefore, all three are modes of the data.   (ii) Arranging in ascending order: Here,  occurs 6 times. Therefore,  is the mode of the data.
Given number are :   and  Their average =  Average between  =   Average between  =    Average between  =   Average between   =  Therefore, 5 numbers between   and  are:
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