Math, asked by shiva5521, 1 month 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

Math, 16 days ago

In the figure AB=AC and Z ACD=115°. Find Z A. plese tell fat and correct plese ...

English, 16 days ago

kamarajar katturai in English guys please answer me fast...

Math, 16 days ago

Find the at tangent equation to the parabola y ²4x point (1, 2)...

English, 1 month ago

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

Science, 1 month ago

definition of host in communicable disease...

Social Sciences, 8 months ago

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

Psychology, 8 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, 8 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...