Class 9 Maths Practice Test: Statistics - Measures of Central Tendency — Flashcards | Class 9 Math | FatSkills

Class 9 Maths Practice Test: Statistics - Measures of Central Tendency — Flashcards

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A central tendency is a central or typical value for a probability distribution. Colloquially, measures of central tendency are often called averages.
The four measures of central tendency are mean, median, mode and the midrange.

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From the table given below, what is mean of marks obtained by 20 students?
Marks xiNo. of Students fi
31
42
52
64
75
83
92
101
Total20
6.6
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