The marks obtained (out of 50) by 40 students in a test are given below:
28, 31, 45, 03, 05, 18, 35, 46, 49, 17, 10, 28, 31, 36, 40, 44, 47, 13, 19, 25, 24, 31, 38, 32,
27, 19, 25, 28, 48, 15, 18, 31, 37, 46, 06, 01, 20, 10, 45, 02.
© Taking class intervals 1 – 10, 11 – 20, ..., construct a tally chart and a frequency
distribution table.
(i) Convert the above distribution to continuous distribution.
(ii) State the true class limits of the third class.
(iv) State the class mark of the fourth class.
the adjoining table to find:
Frequency
Class
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