Answer:
all cells in the B column of any worksheet in this workbook
Explanation:
It seems each worksheet covers total expenses for each month, and hence workbook must have 12 such with one month for each worksheet. Also, the 3D range is a special option in Excel to reference all cells or a selected group of cells for all the worksheets. However, it should be all B cells as B2: B4 apart from this, others in B column also has expenses. And hence, the above option is the correct one.
Answer
Dog breeds = observations, Average weight and energy level for each breed = variables. Each cluster is a category.
Explanation:
Using a method of clustering, she would be putting the dog breeds that are more similar together and in order to do this she has to look at various factors such as observation which are the dog breeds, and the average weight and energy level of the breeds, which represents variables. Every one of these clusters would be a category.
