Question

1.In an examination, the grades achieved by 40 students of a class are given below
B, C, C, E, A, C, B, B, D, D, D, D, B, C, C, C, A, C, B, E, A, D, C, B, E, C, B, E, C, D,
A, B, C, E, D, D, A. A, C, E
(a) Arrange the grades using tally marks
(a) How many students get grade A?
(c) How many students get grade E?
(d) The grade where maximum students are present
(e) The grade where minimum students are present
Question 2
The marks (out of 10) obtained by 35 students in a Science test are listed as below:
8, 1, 2, 6, 5,5,5, 0, 1,9,7,8,0, 5, 8, 3, 0.8, 10, 10, 3, 4, 8, 7, 8, 9, 2, 0
9,6,7,0,1,3,2
(a) Find the number of students who obtained marks more than or equal to 5
(b) Find the numbers of students who scored zero in the test?
(c) If the passing criterion is equal or above six, what is the passing percentage?​

Answer 1

Answer:

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

Step-by-step explanation:

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