Why charts visualize data clearly in Excel - Formula Trace Breakdown

Sample Data

Monthly sales data showing sales numbers for five months.

Cell	Value
A1	Month
B1	Sales
A2	Jan
B2	100
A3	Feb
B3	150
A4	Mar
B4	130
A5	Apr
B5	170
A6	May
B6	160

Formula Trace

SUM(B2:B6)

Step 1: SUM(100, 150, 130, 170, 160)

Cell Reference Map

    A       B
1  Month   Sales
2  Jan     100  <-- Included in SUM
3  Feb     150  <-- Included in SUM
4  Mar     130  <-- Included in SUM
5  Apr     170  <-- Included in SUM
6  May     160  <-- Included in SUM

Cells B2 to B6 contain sales data used in the SUM formula.

Result

    A       B       C
1  Month   Sales   Total Sales
2  Jan     100     710
3  Feb     150
4  Mar     130
5  Apr     170
6  May     160

The total sales value 710 is shown in cell C2, summarizing the data.

Sheet Trace Quiz - 3 Questions

Why is a chart helpful to understand the sales data?

A It shows trends and comparisons visually.

B It hides the data values.

C It makes the data harder to read.

D It removes the need for numbers.

Key Result

SUM(range) adds all numbers in the specified range.