Math, asked by shiva5521, 2 months ago

Find out arthmetic mean from the following dataMarks 0-10 10-20 20-30 30-40 40-50Number of students - 10 12 20 18 10

Answers

Answered by bmanaswini2019

1

Step-by-step explanation:

find the midvalue of intervals

interval. midvalue(xi) marks(fi). fixi

0-10. 5. 10. 50

10-20. 15. 12. 180

20-30. 25. 20. 500

30-40. 35. 18. 630

40-50. 45. 10. 450

summation fi = 10+12+20+18+10 = 70

summation fixi = 50+180+500+630+450 =1810

mean = fixi/fi = 1810/70 =25.85

Previous Question

Next Question

Similar questions

Physics, 1 month ago

if somebody says I hope you are progressing everyday To Ham unhen Kya Kahen English mein batao ...

English, 1 month ago

Fill in the blanks with simple past tense...

Science, 1 month ago

Does raw potato becomes purple colour when 2 drops of copper sulphate solution and 10 drops of caustic soda is added to it? Answer me fast No spam...

English, 2 months ago

Las taken out of school? (b) Who was Edison ? what did he invent? (c) Why them...

Science, 2 months ago

definition of host in communicable disease...

Social Sciences, 9 months ago

wherewas the first International Earth Summit held? *...

Psychology, 9 months ago

Legal factors behind Interruption of Psychological Services are? 1 point a. Psychologist’s illness b. Psychologists’ death c. psychologist’s unavailability d. All of the above 12. -----is a primary obligation and take reasonable precautions to protect confidential information obtained through or stored in any medium. 1 point a. Privacy b. Maintaining confidentiality c. Discussing the...

Math, 9 months ago

the numerator of a fraction is 6 less than the denominator. if one is added to both the numerator and denominator,the fraction becomes 1/2 find the fraction...