Question: Hi, pls help to solve this question. Thanks. Section 7.2 11. The following cumulative frequency polygon shows the distribution of the daily sales made by

Hi, pls help to solve this question. Thanks.

Section 7.2 11. The following cumulative frequency polygon shows the distribution of the daily sales made by Cliff on his working days over the last two months. Daily sales made by Cliff (a) How many days did Cliff work over the 507 last two months? 40- (b) Find the median of the daily sales made by Cliff. 30+ Explain (c) Cliff claims that on 75% of his working Cumulative frequency days, the daily sales he made were $2800 20- or above. Do you agree? Explain your 10- answer. 3500.5 - 3000.5- 2500.5 - 2000.5 1500.5 1000.5 Daily sales ($)

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