Answer:
300
Step-by-step explanation:
6 × 10¹ ÷ 2 × 10-¹
= 300
no of aluminium is 300 times more than that of gold
To find the median, you order the numbers from least to greatest, then find the middle number.
3,7,3,2,7,9
2,3,3,7,7,9
There are two middle numbers, so we have to find the middle of the two.
3,4,5,6,7
5 is the median, so the answer is B.
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hope it helps
Sample size is an act of picking the number of observations to include in a statistical sample
