Question

23. (a) In a data the observation 42 has appeared 12 times. How will this be represented using
tally marks 2
(b) The ages of 10 boys in a bus are listed below
10. 12. 11. 14. 13. 10. 13.11.13
Find the number of students who are less than 12 years​

Answer 1

Answer:

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Step-by-step explanation:

$a) \: \: 12 = \: \: \cancel{IIII} \: \: \: \cancel{IIII} \: \: \: II$

$b) \: \: 4$