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Organize the following marks in a …

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Organize the following marks in a class assessment, in a tabular form: 4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7. (i) Which number is the highest? (ii) Which number of the lowest? (iii) What is the range of the lowest? (iv) Find the arithmetic mean.
  • 1 answers

Ravneet Kaur 4 years, 3 months ago

i) 9 is the highest ii) 1 is the lowest iii) Range = maximum - minimum iv) Arithmetic mean = \frac{fx}{f}\ =\ \frac{100}{20}\ =\ 5 f fx ​ = 20 100 ​ = 5
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