Class 10

Explore popular questions from Statistics for Class 10. This collection covers Statistics previous year Class 10 questions hand picked by experienced teachers.

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The Human Eye and the Colourful World Chemical Reactions and Equations Control and Coordination Metal and Non-Metals How do Organisms Reproduce? Magnetic Effects of Electric Current Heredity and Evolution Our Environment Life Processes Carbon and Its Compounds Periodic Classification of Elements Light – Reflection and Refraction Electricity Acids Bases and Salts Sources of Energy Sustainable Management of Natural Resources Science

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Correct Marks 1

Incorrectly Marks 0

Q 1. Consider the following distribution:

Marks obtained	Number of students
More than or equal to 0	63
More than or equal to 10	58
More than or equal to 20	55
More than or equal to 30	51
More than or equal to 40	48
More than or equal to 50	42

The frequency of the class {tex} 30 - 40 {/tex} is :

Explanation

Class	Number of students	f
0-10	63-58=5	5
10-20	58-55=3	3
20-30	55-51=4	4
30-40	51-48=3	3
40-50	48-42=6	6
50-60	42-0=42	42

Hence the frequency of class interval 30-40 is 3.