Background information: use the listed amounts of Stronitum-90 (inmillibecquerel

Question

Background information: use the listed amounts of Stronitum-90 (inmillibecquerels) in a simple random sample of baby teeth obtainedfrom Pennsylvania residents born after 1979: 155, 142, 149, 130,151, 163, 151, 142, 156, 133, 138, 161, 128, 144, 172, 137, 151,166, 147, 163, 145, 116, 136, 158, 114, 165, 169, 145, 150, 150,150, 158, 151, 145, 152, 140, 170, 129, 188, 156
Problem: Construct a stemplot of the amounts ofStronitm-90. What does the stemplot suggest about thedistribution of those amounts?

I understand how to set up a stemplot and the leafs, however, I donot understand how to set it up when there are duplicate andtriplicate numbers. Also, I'm not sure how to show what thisdata represents.

The text book is Elementary Statistics by Mario F. Triola but it'sthe 11th edition. It is in section 2-4, question #6 in mybook.

Explanation / Answer

11 | 46 12 | 89 13 | 03678 14 | 022455579 15 | 0001111256688 16 | 133569 17 | 02 18 | 8 Normal distribution

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