Four mark exercise problems II — task. Mathematics State Board, Class 8.

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Form a continuous frequency distribution table for the marks obtained by

$30$ students in a

$X$ std public examination.

$328$ ,

$470$ ,

$405$ ,

$375$ ,

$298$ ,

$326$ ,

$276$ ,

$362$ ,

$410$ ,

$255$ ,

$391$ ,

$370$ ,

$455$ ,

$229$ ,

$300$ ,

$183$ ,

$283$ ,

$366$ ,

$400$ ,

$495$ ,

$215$ ,

$157$ ,

$374$ ,

$306$ ,

$280$ ,

$409$ ,

$321$ ,

$269$ ,

$398$ ,

$200$ .

Answer:

Let us take the class size as

$50$ .

Class intervals	Tally marks	Frequency







	Total	$26$

Answer variants:

$250 - 300$

$150 - 200$

$350 - 400$

$3$

$4$

$2$

$7$

$5$

$200 - 250$

$400 - 450$

$100 - 150$

$300 - 350$

$450 - 500$

$6$

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12. Four mark exercise problems II

Exercise condition: