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A Prediction of the Number of Medals to Be Won

question 50

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A prediction of the number of medals to be won by various countries in the 2014 Winter Olympics was made using past Olympics data.The predicted values are listed in the table below.  Country  Medals  Germany 37 USA 36 Norway 27 Canada 24 Austria 16 Russia 16 Italy 15 France 15 Switzerland 13 China 10\begin{array} { l | c } \text { Country } & \text { Medals } \\\hline \text { Germany } & 37 \\\text { USA } & 36 \\\text { Norway } & 27 \\\text { Canada } & 24 \\\text { Austria } & 16 \\\text { Russia } & 16 \\\text { Italy } & 15 \\\text { France } & 15 \\\text { Switzerland } & 13 \\\text { China } & 10\end{array}  Country  Medals  Netherlands 5 Finland 4 Sweden 4 Korea 3 Bulgaria 3 Great Britain 2 Australia 2 Japan 2 Poland 1 Spain 1\begin{array} { l | c } \text { Country } & \text { Medals } \\\hline \text { Netherlands } & 5 \\\text { Finland } & 4 \\\text { Sweden } & 4 \\\text { Korea } & 3 \\\text { Bulgaria } & 3 \\\text { Great Britain } & 2 \\\text { Australia } & 2 \\\text { Japan } & 2 \\\text { Poland } & 1 \\\text { Spain } & 1\end{array} Which of the following displays is the most appropriate for these data?
I  A prediction of the number of medals to be won by various countries in the 2014 Winter Olympics was made using past Olympics data.The predicted values are listed in the table below.  \begin{array} { l | c }  \text { Country } & \text { Medals } \\ \hline \text { Germany } & 37 \\ \text { USA } & 36 \\ \text { Norway } & 27 \\ \text { Canada } & 24 \\ \text { Austria } & 16 \\ \text { Russia } & 16 \\ \text { Italy } & 15 \\ \text { France } & 15 \\ \text { Switzerland } & 13 \\ \text { China } & 10 \end{array}   \begin{array} { l | c }  \text { Country } & \text { Medals } \\ \hline \text { Netherlands } & 5 \\ \text { Finland } & 4 \\ \text { Sweden } & 4 \\ \text { Korea } & 3 \\ \text { Bulgaria } & 3 \\ \text { Great Britain } & 2 \\ \text { Australia } & 2 \\ \text { Japan } & 2 \\ \text { Poland } & 1 \\ \text { Spain } & 1 \end{array}  Which of the following displays is the most appropriate for these data?  I    II    III    A) I B) III C) II D) All of these displays are equally appropriate. E) None of these displays are appropriate.
II  A prediction of the number of medals to be won by various countries in the 2014 Winter Olympics was made using past Olympics data.The predicted values are listed in the table below.  \begin{array} { l | c }  \text { Country } & \text { Medals } \\ \hline \text { Germany } & 37 \\ \text { USA } & 36 \\ \text { Norway } & 27 \\ \text { Canada } & 24 \\ \text { Austria } & 16 \\ \text { Russia } & 16 \\ \text { Italy } & 15 \\ \text { France } & 15 \\ \text { Switzerland } & 13 \\ \text { China } & 10 \end{array}   \begin{array} { l | c }  \text { Country } & \text { Medals } \\ \hline \text { Netherlands } & 5 \\ \text { Finland } & 4 \\ \text { Sweden } & 4 \\ \text { Korea } & 3 \\ \text { Bulgaria } & 3 \\ \text { Great Britain } & 2 \\ \text { Australia } & 2 \\ \text { Japan } & 2 \\ \text { Poland } & 1 \\ \text { Spain } & 1 \end{array}  Which of the following displays is the most appropriate for these data?  I    II    III    A) I B) III C) II D) All of these displays are equally appropriate. E) None of these displays are appropriate.
III
 A prediction of the number of medals to be won by various countries in the 2014 Winter Olympics was made using past Olympics data.The predicted values are listed in the table below.  \begin{array} { l | c }  \text { Country } & \text { Medals } \\ \hline \text { Germany } & 37 \\ \text { USA } & 36 \\ \text { Norway } & 27 \\ \text { Canada } & 24 \\ \text { Austria } & 16 \\ \text { Russia } & 16 \\ \text { Italy } & 15 \\ \text { France } & 15 \\ \text { Switzerland } & 13 \\ \text { China } & 10 \end{array}   \begin{array} { l | c }  \text { Country } & \text { Medals } \\ \hline \text { Netherlands } & 5 \\ \text { Finland } & 4 \\ \text { Sweden } & 4 \\ \text { Korea } & 3 \\ \text { Bulgaria } & 3 \\ \text { Great Britain } & 2 \\ \text { Australia } & 2 \\ \text { Japan } & 2 \\ \text { Poland } & 1 \\ \text { Spain } & 1 \end{array}  Which of the following displays is the most appropriate for these data?  I    II    III    A) I B) III C) II D) All of these displays are equally appropriate. E) None of these displays are appropriate.

Calculate and interpret the finite population correction factor.
Recognize how the level of confidence impacts the width of confidence intervals.
Understand the effect of sample size on the width of confidence intervals.
Know how to reduce the risk that the confidence interval does not contain the population mean.

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