Find the mean age in years from the frequency distribution given belów Age in years 25-29 30-34 35-39 40-44 45-49 50-54 55-59 No: of persons 4 14 22 16 6 5 3

Find the mean age in years from the frequency distribution given belw Age in years 25-2930-3435-3940-4445-4950-5455-59No: of persons 4142216653

Classes: 25-29 30-34 35-39 40-44 45-49 50-54 55-59 Frequency: 14 22 16 6 5 3 4 Find the mean for given data.

Draw a cumulative frequency curve and cumulative frequency polygon for the following frequency distribution by less than method. Age (in yrs). 0-9 10-19 20-29 30-39 40-49 50-59 60-69 No. of Person 5 15 20 23 17 11 9

Write the class boundaries of the following classes : 25-29, 30-34, 35-39, 40-44, 45-49, 50 - 54

Calculate the mean deviation about median age for the age distribution of 100 persons given below: Age 16-20 21-25 26-30 31-35 36-40 41-45 46-50 51-55 Number 5 6 12 14 26 12 16 9

Calculate the mean deviation about median age for the age distribution of 100 persons given below: Age 16-20 21-25 26-30 31-35 36-40 41-45 46-50 51-55 Number 5 6 12 14 26 12 16 9

Calculate the mean deviation about median age for the age distribution of 100 persons given below:Age 16-20 21-25 26-30 31-35 36-40 41-45 46-50 51-55Number 5 6 12 14 26 12 16 9

Find the mean of the following frequency distributions: Class interval: 25-35 35-45 45-55 55-65 65-75 Frequency: 6 10 8 12 4

Find the mean of the following frequency distributions: Class interval: 25-35 35-45 45-55 55-65 65-75 Frequency: 6 10 8 12 4

Find the mean from the following frequency distribution of marks at a test in statistics: Marks (x) : 5 10 15 20 25 30 35 40 45 50 No. of students (f) : 15 50 80 76 72 45 39 9 8 6