### Data is everywhere around you! So how can you start learning data analytics with excel?

After collecting accurate data, you can **find the root causes** of issues, **predict trends**, and **make smart decisions**. This process is called **data analytics** and many employees in the workforce use Excel to help them analyze the data they collect for their work.

## Why Is Data Analysis Important?

Let's say you want to work for a **research university** or **data-driven company **as adata analystordata scientist. Learning how to analyze data with Excel would make you a more competitive candidate for the job.

In fact, by 2025, almost all employees across many sectors and fields will leverage data to optimize their work. That's why many employers are boosting their teams’ data literacy and bringing new blood with advanced data skills, such as data analytics with excel, to the teams.

## What Type of Data To Get and How?

Data are individual facts, statistics, or items of information, often numeric.

### Quantitative Data

numerical

**can be measured**

### Qualitative Data

categorical and descriptive

**can't be measured**

**Quantitative data is usually preferred** for data analytics in Excel. You can gather quantitative data through **polls**, **surveys**, **observations**, **experiments**, and **interviews**.

## Formulas for Data Analytics with Excel

Use **formulas** to find the sum, average, minimum, and maximum of the collected data.

### Amelia uses Excel formulas to manage her clothing store.

She uses the

**SUM**formula to**calculate the total sales**as follows:Select the empty cell B7 (where the total amount will appear)

Enter a

**SUM**function by typing**=SUM(B2:B5)**Press Enter to get the total sales

She uses the

**AVERAGE**formula to**calculate the average sales**as follows:Select the empty cell B7 (where the average amount will appear)

Enter an

**AVERAGE**function by typing**=AVERAGE(B2:B5)**Press Enter to get the average sales

She uses the

**MIN**formula to**find the minimum sales**as follows:Select the empty cell B7 (where the minimum amount will appear)

Enter a

**MIN**function by typing**=MIN(B2:B5)**Press Enter to get the Min sales

She uses the

**MAX**formula to**find****the maximum sales**as follows:

Select the empty cell B7 (where the maximum amount will appear)

Enter a

**MAX**function by typing**=MAX(B2:B5)**Press Enter to get the Max sales

## Cell References in Excel

### What is a cell reference?

A cell reference is a combination of a column letter and a row number that identifies a cell on a spreadsheet.

### There are two types of cell references:

Relative references

Absolute references

### What's the difference?

Relative references

**change**when a formula is copied to another cell.Absolute references remain

**unchanged**wherever they're copied.

### Watch this video to learn how to use these two types of references.

### Amelia, the clothing store owner, uses cell references in Excel when calculating item costs after tax.

## Visualization: Data Analytics with Excel

Create **charts** to visualize your data for reports or presentations.

### Take a closer look at the most common chart types:

A **pie chart** shows the proportion of items to the total.

A **line chart** shows continuous data over time.

A **bar chart** typically displays values along the horizontal axis and categories along the vertical axis.

A** column chart** typically displays values along the vertical axis and categories along the horizontal axis.

## Creating charts in Excel is so easy!

Select all the rows and columns you want to tabulate in your charts (A1:B7 for the chart below)

Select

**Insert**>**Recommended Charts**Select a chart from the drop-down menu

Adjust the size of the chart

#### Quiz

Bella works for a retail store. Her manager asked her to report total retail sales over the past 10 years. She's going to visualize data with a chart in Excel in the meeting. What chart would be the best option?

## Take Action

### Practice mastering Data Analytics with Excel!

Try these steps to get started:

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## This Byte has been authored by

### Yang Chen

LINC Instructor