Q:

Create a bar chart and store the handle in a variable. Change the EdgeColor property to red

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 Create a bar chart and store the handle in a variable. Change the EdgeColor property to red. 

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>> y = [33 11 2 7 39];

>> hb = bar(y)

hb = 

 Bar with properties:

 BarLayout: 'grouped'

 BarWidth: 0.8000

 FaceColor: 'flat'

 EdgeColor: [0 0 0]

 BaseValue: 0

 XData: [1 2 3 4 5]

 YData: [33 11 2 7 39]

 Show all properties

>> hb.EdgeColor = 'r'

hb = 

 Bar with properties:

 BarLayout: 'grouped'

 BarWidth: 0.8000

 FaceColor: 'flat'

 EdgeColor: [1 0 0]

 BaseValue: 0

 XData: [1 2 3 4 5]

 YData: [33 11 2 7 39]

 Show all properties

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