$$

$2\mathrm{.}2$ You come up with three products that you could market to the groups of runners:

$$ Product $1$: Beginner$-$level training programmes

$$ Product $2$: Professional$-$level training programmes

$$ Product $3$: Advanced analytics

Using the information about the three clusters you found with hierarchical clustering, which service would you promote to each cluster? Give a short justification for each choice.