The following is the distribution of weights (in kg) of 50 persons: Marks:, 50-55, 55-60, 60-65, 65-70, 70-75, 75-80, 80-85, 85-90 No. of Person, 12, 8, 5, 4, 5, 7, 6, 3 Draw a histogram for the above data.

The following is the distribution of weights (in kg) of 50 persons: Weight (in kg) 50-55 55-60 60-65 65-70 70-75 75-80 80-85 85-90 No. of Person 12 8 5 4 5 7 6 3 Draw a histogram for the above data.

The following table gives the weekly wages of workers in a factory. Weekly wages(Rs) 50-55 55-60 60-65 65-70 70-75 75-80 80-85 85-90 No. of workers 5 20 10 10 9 6 12 18 Calculate the mean, by using Short Cut Method.

The following is the distribution of weights (in kg) of 52 persons: Weight in kg, Persons 30-40 40-50 50-60 60-70 70-80, 10 15 17 6 4 What is the lower limit of class 50-60? Find the class marks of the classes 40-50, 50-60 What is the class size?

The following is the distribution of weights (in kg) of 52 persons: Weight in kg, Persons 30-40 40-50 50-60 60-70 70-80, 10 15 17 6 4 What is the lower limit of class 50-60? Find the class marks of the classes 40-50, 50-60 What is the class size?

Calculate the mean and standard deviation for the following distribution: Marks:, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80, 80-90 No. of students:, 3, 6, 13, 15, 14, 5, 4

The following table gives production yield per hectare of wheat of 100 farms of a village: Production yield 50-55 55-60 60-65 65-70 70-75 75-80 in kg per hectare: No. of farms: 2 8 12 24 38 16 Draw ‘less than’ ogive and ‘more than’ ogive.

The following table gives production yield per hectare of wheat of 100 farms of a village: Production yield 50-55 55-60 60-65 65-70 70-75 75-80 in kg per hectare: No. of farms: 2 8 12 24 38 16 Draw ‘less than’ ogive and ‘more than’ ogive.

Calculate the mean and standard deviation for the following distribution: Marks:,20-30,30 - 40,40-50,50-60,60-70,70-80,80-90 No.of students: 3,6,13,15,14,5,4

The distribution below gives the weight of 30 students in a class. Find the median weight of students: Weight (in kg): 40-45 45-50 50-55 55-60 60-65 65-70 70-75 No. of students: 2 3 8 6 6 3 2

The distribution below gives the weight of 30 students in a class. Find the median weight of students: Weight (in kg): 40-45 45-50 50-55 55-60 60-65 65-70 70-75 No. of students: 2 3 8 6 6 3 2