Critic al T hinking 2) Suppose tha t you wa nt to cons truct a gaph to represent

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Critic al T hinking 2) Suppose tha t you wa nt to cons truct a gaph to represent the follo wing data. 2·S" MedianS Blood Type Frequency Maxamum 90 84 18 If you are mos tly interes te d in the number of people in each cate gory as a percentage of the total nu mber of people, would a bar cha rt or a pie chart be mo re useful? Explain your thinking Co mmunication 3) The residents ofone tow n are cla ssi fßed by a social scientist as follo ws Lowe r inco me: 890 Middle inco me: 3115 Upper in co me: 4895 The scientist wishes to pick a sample of 200 of the re side nts for a study sample which involves s tra tiõe d sam pling with proportiona l a llocati on. . Desc ribe a me tho d for selecting the

Explanation / Answer

Question 2

Here to represent the percent of each category of people the better method would be a pie chart would be more useful. It is because pie chart is an end in itself. Where the whole pie represent 100% but in bar chart there is no such criteria. In Bar chart the raw data can be graphed and that can be compared. But for percentage, pie chart is always the better method.

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