Question

Use the COUNTIF function in cell I₄ to determine the number of students with black hair. Be sure to build a formula that can be reused by copying down.

Answer 1

To determine the number of students with black hair, use the COUNTIF function and a reusable formula.

Step-by-step explanation:

To determine the number of students with black hair using the COUNTIF function, you can follow these steps:

1. In cell I₄, enter the formula =COUNTIF(range, "black"). Replace "range" with the range of cells that contains the hair color data.
2. Copy the formula in cell I₄ by selecting the cell and pressing Ctrl+C.
3. Select the range of cells where you want to paste the formula, starting from I₅ and below.
4. Press Ctrl+V to paste the formula. The updated formulas in each cell will automatically adjust the range to count the hair color in each respective row.

By following these steps, you will be able to reuse the formula and determine the number of students with black hair in different rows.