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stiks02 [169]
1 year ago
6

Puppets made by each puppeteer43ASCNumber of puppetsAsMYCol?0AlexKalinBruceMarcoMYPuppeteerProIf the mean of the data set is 3 p

uppets, find the number of puppets Marco made.ProTeapuppets

Mathematics
1 answer:
snow_tiger [21]1 year ago
5 0

Remember that we can get the mean of a dataset by adding up each datum and dividing such sum by the number of data.

Now, let's call the number of puppets Marco made M

This way, we would have that:

\frac{1+4+3+M}{4}=3

Solving for M :

\begin{gathered} \frac{1+4+3+M}{4}=3 \\  \\ \rightarrow\frac{8+M}{4}=3 \\  \\ \rightarrow8+M=12\rightarrow M=12-8 \\ \Rightarrow M=4 \end{gathered}

Therefore, we can conclude that Marco made 4 puppets.

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