Q.5. Students of grade 7 scored the following marks in maths class test:
7, 12, 13, 14, 15, 14, 19, 14, 13, 10, 11, 7, 18, 20, 14, 16, 14, 18, 14, 13
i) Arrange the given data in ascending order.
ii) what is the model score?
iii) What is range?
iv) Find the mean score of the boy.
v) Find the median.
Answers
Answered by
1
Answer:
Hope it helps!! Mark this answer as brainliest if u found it useful and follow me for quick and accurate answers...
Step-by-step explanation:
i) Arrange the given data in ascending order
7 = 7 < 10 < 11 < 12 < 13 = 13 = 13 < 14 = 14 = 14 = 14 = 14 = 14 < 15 < 16 < 18 = 18 < 19 < 20
--------------------------------------
ii) what is the model score?
14
--------------------------------------
iii) What is range?
highest marks = lowest marks
20 - 7
13
--------------------------------------
iv) Find the mean score of the boy.
Mean = 7+12+13+14+15+14+19+14+13+10+11+7+18+20+14+16+14+18+14+13/20
Mean = 276/20
Mean = 13.8
--------------------------------------
v) Find the median.
14
Similar questions