Practice problem

Measures of Central Tendency: Mean

+1 contributors

Contributors

Alex Federspiel
Jonathan Heller

\text{Onion Ring Day}

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Today (June 22) is National Onion Rings Day!

Did you know the musician Lorde had a secret Instagram account that rated onion rings? It was onionringsworldwide. She deleted it once the public found out.

Image Source: onionringsworldwide on Instagram

If she's rated the onion rings as $2,1,4.5,$ and $x$ , what would the last onion ring need to be rated in order for the mean to be $3$ .