Official Bonus Marks confirmed in cbse class-10 term-2 exam

Find the mean, median and mode of the following marks obtained by 16 students in a class test marked out of 10 marks: 0,0,2,2,3,3,3,4,5,5,5,5,6,6,7 and 8

Below is the histogram depicting marks obtained by 43 students of a class: 1. Write the number of students getting the highest marks. 2. What is the class size?

A boy scored the following marks in various class tests during a term, each test being marked out of 20. 15,17,16,7,10,12,14,16,19,12 and 16. (i) What are his modal marks. (ii) What are his median marks? (iii) What are his total marks? (iv) What are his mean marks?

Find the class marks of classes 10-25 and 35-55.

Find the class marks of classes 10-25 and 35-55.

In a class of 40 students, marks obatined by the students in a class test (out of 10) are given below : Calculate the following for the given distribution : (i) Median (ii) Mode

Find the actual lower and upper class limits and also the class marks of the classes : 1.1 - 2.0, 2.1 - 3.0 and 3.1 - 4.0.

Following table shows the marks scored by a group of 90 students in a mathematics test of 100 marks. Marks 0-20 20-30 30-40 40-50 50-60 60-70 70-100 No. of Students: 7 10 10 20 20 15 8 Find the probability that marks scored by a student in the class is: at most 60 marks (ii) at least 60 marks (iii)not more than 50 marks

Use the table given below to find : (a) The actual class limits of the fourth class. (b) The class boundaries of the sixth class. (c) The class mark of the third class. (d) The upper and lower limits of the fifth class. (e) The size of the third class. {:("Class interval","Frequency"),(30-34,7),(35-39,10),(40-44,12),(45-49,13),(50-54,8),(55-59,4):}

The means and standard devation of the marks of 200 candidates in half early exam were found to be 40 and 15 respectively. The marks of the candidates exceeds their marks by 10 in final exam. The mean and standard deviation of the marks in final exam are respectively ?