[hline" Runs ",[3000-],[4000],[4000-],[5000],[5000-],[6000],[7000],[18],9,7,6,3,1,1],[hline" Number of batsmen ",4,,,],[hline]

The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches. Runs scored 3000-4000 4000-5000 5000-6000 6000-7000 7000-8000 8000-9000 9000-10000 10000-11000 No. of batsmen 4 18 9 7 6 3 1 1. Find the mode of the data.

[" 8"," I "],[" M ",(1)/(*)],[,(4)/(4)],[,(9)/(2)],[,(9)/(9)],[,9],[hline,(4)/(3)],[+,9],[hline,1],[,7],[,3],[,9],[hline,1],[hline,-,(1)/(3)],[,,]

The monthly salaries in ? of 30 workers in a factory are given below:5000, 7000, 3000, 4000, 4000, 3000, 3000, 3000,8000, 4000, 4000, 9000, 3000, 5000, 5000, 4000,4000, 3000, 5000, 5000, 6000, 8000, 3000, 3000,6000,7000,7000,6000, 6000,4000 From the above data find the mean of monthly salary.

The monthly salaries in Rs. of 30 workers in a factory are given below:5000, 7000, 3000, 4000, 4000, 3000, 3000, 3000,8000, 4000, 4000, 9000, 3000, 5000, 5000, 4000,4000, 3000, 5000, 5000, 6000, 8000, 3000, 3000,6000,7000,7000,6000, 6000,4000 From the above data find the mean of monthly salary.

The given distrbution shows the numbers of runs scored by some top batsmen of the world in one -day international cricket matches . {:("Runs","Number of batsmen"),(3000-4000,4),(4000-5000,18),(5000-6000,9),(6000-7000,7),(7000-8000,6),(8000-9000,3),(9000-10000,1),(10000-11000,1):} Find the mode of the data .

The following table gives the distribution of income of 100 families in a village. Calculate the standard deviation: Income Rs., 0-1000, 1000-2000, 2000-3000, 3000-4000, 4000-5000, 5000-6000 No. of Families, 18, 26, 30, 12, 10, 4

The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches. {:("Runs scored ","Number of batsmen "),(3000-4000," "4),(4000-5000," "18),(5000-6000," "9),(6000-7000," "7),(7000-8000," "6),(8000-9000," "3),(9000-10000," "1),(10000-11000," "1):} Find the mode of the data

The following table gives the distribution of the life - time of 400 neon lamps. {:("Lif time (in hours)","Number of lamps"),(1500-2000,14),(2000-2500,56),(2500-3000,60),(3000-3500,86),(3500-4000,74),(4000-4500,62),(4500-5000,48):} Find the median life -time of a lamp .

The following table gives the distribution of income of 100 families in a village.Calculate the standard deviation: Income Rs.0-1000,1000-2000,2000-3000,3000-4000,4000-50005000-6000 No.of Families,18,26,30,12,10,4