The upper 70th percentile is the number below which 70% of the data lie.
The 70th percentile position is given by:

Thus, the 70th percentile position is approximately the 25th data item (after the data has been arranged in acsending order).
Given the following data:
<span>16 24 25 26 27 29 36 39 39 39 40 44 45 47 47 48 50 51 51 53 53 54 57 58
58 60 65 66 67 69 69 71 72 74 74 74
The 25th data in the data set is 58.
Therefore, the upper P70 is 58.
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Answer:
<u>Ratio of one dimension:</u>
<u>Ratio of the volumes:</u>
<u>Smaller volume given:</u>
<u>Larger volume: </u>
26/10 = 2.60 .... 2.60 x 30 = 78. So 78 is the answer