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    Question

    Which of the following Excel functions is most

    appropriate for dynamically summarizing data from multiple tables by matching a key value?
    A INDEX Correct Answer Incorrect Answer
    B SUMIF Correct Answer Incorrect Answer
    C VLOOKUP Correct Answer Incorrect Answer
    D IFERROR Correct Answer Incorrect Answer
    E CONCATENATE Correct Answer Incorrect Answer

    Solution

    VLOOKUP (Vertical Lookup) is a powerful Excel function used to search for a specific value in a table and return a corresponding value from another column within the same row. This function is especially useful for dynamically summarizing data from multiple tables where a common key value exists. For instance, when dealing with data across multiple sheets or tables, VLOOKUP can be employed to look up a key (such as an ID or code) and bring back relevant information, such as totals or specific metrics, from various sources. This is critical in scenarios like reporting or analysis where data from different departments or systems need to be consolidated based on a common identifier. Why Other Options Are Incorrect: • A) INDEX: While INDEX can return values from a specified row and column based on its position, it doesn’t inherently connect data from multiple tables as effectively as VLOOKUP does by matching a key value across tables. • B) SUMIF: SUMIF is used for summing values that meet specific criteria within a single range, but it does not perform lookups across multiple tables or sheets. • D) IFERROR: IFERROR is used for handling errors and is not relevant to the task of looking up values across multiple tables. • E) CONCATENATE: CONCATENATE is used to join text strings from multiple cells into a single cell, not for lookups or data summarization.

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