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The final marks in mathematics of 30 stu...

The final marks in mathematics of 30 students are as follows: 53,61,48,60,78,68,55,100,67,90 75,88,77,37,84,58,60,48,62,56 44,58,52,64,98,59,70,39,50,60 Arrange these marks in the ascending order 30 to 39 one group, 40 to 49 second group, etc. What is the highest score? What is the lowest score? (iv) What is the range? If 40 is the pass mark how many have failed? How many have scored 75 or more? Which observations between 50 and 60 have not actually appeared? How many have scored less than 50?

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The final marks in mathematics of 30 students are as follows: 53,61,48,60,78,68,55,100,67,90,75,88,77,37,84 58,60,48,62,56,44,58,52,64,98,59,70,39,50,60 Arrange these marks in the ascending order, 30 to 39 one group, 40 to 49 second group etc. Now answer the following: What is the highest score? What is the lowest score? What is the range? If 40 is the pass marks how many have failed? How many have scored 75 or more? Which observations between 50 and 60 have not actually appeared? How many have scored less than 50?

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Given below are the marks (out of 100) in mathematics obtained by 20 students of a calss in an annual examination. 23,75,56,42,70,84,92,51,40,63,87,58,35,80,14,63,49,72,66,61. Arrange the above data in ascending order and find (i) The lowest marks obtained. (ii) The highest marks obtained. (iii) The range of the given data.

The maximum marks in a test are converted from 250 to 50 for the purpose of an Internal Assessment. The highest marks scored were 170 and lowest marks were 70. What is the difference between the maximum and minimum marks scored in the Internal Assessment?

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