Instructions: You are given a passage. You need to construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is the whole paragraph. Avoid creating questions that can be answered correctly without actually understanding the paragraph.
Input: for the k-means algo, you start by assuming some centroids, they are initial centroids.

Now, you assign each point to the closes centroid.
After all the points are assigned to some centroid, the centroid for htese new set of point groups are caclualted.
The iteration is carried out till the numbers are sufficientltly close.

I am not sure whether there is an excel function, but do a google search, you might come across some C-code to do the same
Output:
How do I use k-means clustering to group observations?