Question
Discuss the method of collecting secondary data.
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|
Lower boundary point or more than that
|
$44.5$
|
$49.5$
|
$54.5$
|
$59.5$
|
$64.5$
|
$69.5$
|
$74.5$
|
$79.5$
|
|
Cumulative frequency
|
$500$
|
$470$
|
$390$
|
$290$
|
$240$
|
$90$
|
$10$
|
$0$
|