Question2 upto part3.rtf - Question 1 In a survey 24 IT...

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Question 1 In a survey, 24 IT professionals in Chicago were asked how much their annual salary was for the year 2012. The results are shown below: $109,000 $ 65,000 $ 65,000 $ 59,000 $ 180,000 $ 101,325 $ 130,000 $95,000 $ 81,500 $69,000 $71,500 $ 74,880 $64,000 $72,000 $ 71,000 $ 82,300 $49,000 $51,200 $ 39,000 $48,500 $64,330 $ 41,100 $52,330 $82,000 Construct a frequency distribution with 5 classes Annual salary Tally Frequency 39000 - 69000 IIII IIII II 12 70000-99000 IIII III 8 100000 - 129000 II 2 129001 - 159000 I 1 159001- 189000 I 1 Lower limit= $ 39,000, Upper Limit= $ 180,000 Class Interval= Upper Limit – Low Limit Therefore: ( $180,000 - $ 39,000) Class interval = 141,000 Frequency distribution = 5 Create a histogram of the data using the frequency table from question 1-a.
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A software company asked 100 of its programmers to develop a certain program individually. The following histogram shows the time it takes a programmer to finish the
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