Below is a stem-plot of the birth weights of male babies born to the smoking group. The stems are in units of kg. The decimal point is at the 1|9 2|346778889 3223467899 4|12234 53556 6|1 Find the median birth weight. Find the mean birth weight. Find the sample standard deviation of the birth weight. Which measurement would be best to use for measuring the center? Justify your answer.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Please help on a, b, c. 

Below is a stem-plot of the birth weights of male babies born to the smoking group. The stems are in
units of kg.
The decimal point is at the
1|9
2346778889
3 | 223467899
412234
5|3556
6|1
Find the median birth weight.
Find the mean birth weight.
Find the sample standard deviation of the birth weight.
Which measurement would be best to use for measuring the center? Justify your answer.
Transcribed Image Text:Below is a stem-plot of the birth weights of male babies born to the smoking group. The stems are in units of kg. The decimal point is at the 1|9 2346778889 3 | 223467899 412234 5|3556 6|1 Find the median birth weight. Find the mean birth weight. Find the sample standard deviation of the birth weight. Which measurement would be best to use for measuring the center? Justify your answer.
Expert Solution
Step 1

Obtain the median birth weight.

 

The median birth weight is obtained below as follows:

 

The observations from the given stem and leaf plot are,

 

19,23,24,26,27,27,28,28,28,29,32,32,33,34,36,37,38,39,39,41,42,42,43,44,53,55,55,56,61.

 

Arrange the above observations in the ascending order. It is clear that n=29 which means that the observations are odd.

 

The value of the median would be the middle value of the observations. That is, the value lies in the middle of the observations is clearly 36.

 

Thus, the median birth weight is 36.

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