If the variance of a variable is 16, what is the standard deviation?
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First, let's create the ratios of sweetened to unsweetened. To do this, you would have to subtract the number of people that preferred unsweetened from the total.
Westside mall: 15:30 or
Eastside mall: 13:26 or
Now, you would divide to both ratios.
15 ÷ 30 = 0.5
13 ÷ 26 = 0.5
They have the same sum, meaning, they are the same.
Westside Mall shoppers are just as likely to prefer unsweetened tea as Eastside Mall shoppers.
I hope this helps!
Westside mall: 15:30 or
Eastside mall: 13:26 or
Now, you would divide to both ratios.
15 ÷ 30 = 0.5
13 ÷ 26 = 0.5
They have the same sum, meaning, they are the same.
Westside Mall shoppers are just as likely to prefer unsweetened tea as Eastside Mall shoppers.
I hope this helps!