Asked by aksha

Find the average of these times using and recording two different sets of keystrokes you consider efficient?
11.5 s 10.5 s 12.2 s
b) Which is more efficient?
Answered by drwls
keystrokes on a computer or on a hand calculator? Anyway, divide the sum by 3 for the answer. That's 34.2/3 = 11.43
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