The following series relates to the dail...

The following series relates to the daily income of workers employed in a firm . Compute (a) highest income of lowest 50% workers , (b) minimum income earned by the top 25% workers , and (c ) maximum income earned by lowesr 25% worlers.
`{:("Daily Income (in Rs.)",10-14,15-19,20-24,25-29,30-34,35-39),("Number of Workers"," "5," "10," "15," "20," "10," "5):}`

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