Home
Class 11
MATHS
Calculate the mean and standard deviatio...

Calculate the mean and standard deviation for the following data: Wages upto (into Rs.), 15, 30, 45, 60, 75, 90, 105, 120 No. of workers, 12, 30, 65, 107, 157, 202, 222, 230

Text Solution

Verified by Experts

The correct Answer is:
63,19.6
Promotional Banner

Topper's Solved these Questions

  • SAMPLE QUESTION PAPER 4

    ICSE|Exercise SECTION B |11 Videos

  • SAMPLE QUESTION PAPER 4

    ICSE|Exercise SECTION C |10 Videos

  • SAMPLE QUESTION PAPER 3

    ICSE|Exercise SECTION C|5 Videos

  • SAMPLE QUESTION PAPER 5

    ICSE|Exercise SECTION C|10 Videos

Similar Questions

Explore conceptually related problems

Calculate the mean deviation from the median of the following data: Wages per week (in Rs.), 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80 No. of workers, 4, 6, 10, 20, 10, 6, 4

Calculate the median deviation from the median of the following data: Wages per week (in Rs.), 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80 No. of workers, 4, 6, 10, 20, 10, 6, 4

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

Find the mean, and standard deviation for the following data: (i) Year render: 10 20 30 40 50 60 No. of persons (cumulative): 15 32 51 78 97 109

Calculate the mean deviation about median of the following data: 34, 66, 30, 38, 44, 50, 40, 60, 42, 51

Calculate the mean and standard deviation using step deviation method for the following data : {:("Class marks"(x_(i)),15,30,45,60,75,90,105,120),("Frequency" (f_(i)),12,14,65,107,157,202,222,230):}

Calculate the mean, median and standard deviation of the following distribution: Class interval 31-35 36-40 41-45 46-50 51-55 56-60 61-65 66-70 Frequency: 2 3 8 12 16 5 2 3

Calculate the mean, variance and standard deviation for the following distribution: Class 30-40 40-50 50-60 60-70 70-80 80-90 90-100 Frequency 3 7 12 15 8 3 2

Calculate the mean and S.D for the following data: Expenditure (in Rs.) 0-10 10-20 20-30 30-40 40-50 Frequency: 14 13 27 21 15

Find the mean deviation from the median for the following data: 34, 66, 30, 38, 44, 50, 40, 60, 42, 51.