Question

q1)the following are the weight in kg of 20 students of a class . 25, 16 ,17 ,15,23 10,9,5,6, 17, 15 ,16 ,23 ,25, 16 ,15,23,9, 10 ,6 prepare a frequency distribution table for the given data ?
q2) the number of road accident occurred pajde was recorded for 31 days of January 2008 in a city 6,2,1, 4, 2,5,6 ,7,0,5,2 ,3,1,4,3 ,2,5,0,7 ,2,4,6 ,2,3,5,0,8 9,1,2,7 prepare a frequency table for the data?
q3) the marks of obtained by 25 students in a class test of hundred marks in give below: 80 ,60 ,40 ,70, 75, 80, 90 ,100, 60, 70 ,60 ,70 ,85 ,65 ,70 ,70 ,85, 60,65, 80, 60 ,70 ,80, 70 ,60
make a frequency distribution of the above data and answer the following questions: (a) what is the maximum marks obtained?
(b) find the number of students who scored less than 75 marks?
(c) find the number of student who scored more than 80 marks?
(d) find the range of the data given?

(q4) the players of class 6 cricket team of a school made following runs in one day match?
15 ,20, 12 ,15 ,20,11 ,3,0 ,12 ,11, 15
make the frequency table for the above score?
(q5) the die was thrown 25 times and the following scores were obtained:
5,2,34,3,1,5,2,2,2,6,2,1,1,,5,2,1,5,5,1,3,3,6,4,6? prepare a frequency distribution table and answer the following questions:
(a) which number occurred least number of time?
(b) which number occurred maximum number of times? ​

Answer 1

Answer:

Weight in kg No. of students

30−35 3

35−40 5

40−45 3

45−50 5

50−55 2

55−60 1

60−65 1

a−b⇒a<W≤b

W→ weight.