In survey of 250 Europeans
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05 Jul 2018, 08:15
previously, when i was trying to solve simlar questions, I was making a rectactle something like this
__________|___________|___________|_______
event 1 | | |
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event 2 | | |
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| | |
But i am unable to make this work for the following question
In a survey of 250 european travelers, 93 have traveled to Africa, 155 have traveled to asia and of these two groups, 70 have traveled to both continents
How can i represent this in this table?