Bar and histogram plots in MATLAB - Mini Project: Build & Apply

Bar and Histogram Plots

📖 Scenario: You are working as a data analyst and need to visualize sales data and customer age distribution for a small store.

🎯 Goal: Create bar and histogram plots in MATLAB to show sales per product and the age distribution of customers.

📋 What You'll Learn

Create a vector with sales data for 5 products

Create a vector with ages of 20 customers

Plot a bar chart for the sales data

Plot a histogram for the customer ages

💡 Why This Matters

🌍 Real World

Bar charts and histograms are common ways to visualize data in business and research to understand quantities and distributions.

💼 Career

Data analysts and scientists use these plots to communicate insights clearly to teams and decision makers.

1

Create sales data vector

Create a vector called sales with these exact values: [150, 200, 180, 220, 170] representing sales for 5 products.

MATLAB

% Create the sales vector
% Your code here

Need a hint?

Use square brackets to create a vector in MATLAB.

2

Create customer ages vector

Create a vector called ages with these exact values: [22, 25, 30, 22, 28, 35, 40, 22, 30, 27, 25, 29, 31, 33, 28, 26, 24, 30, 29, 27] representing ages of 20 customers.

MATLAB

sales = [150, 200, 180, 220, 170];
% Create the ages vector
% Your code here

Need a hint?

Use square brackets to create the vector with all 20 age values.

3

Plot bar chart for sales

Use the bar function to create a bar chart of the sales vector.

MATLAB

sales = [150, 200, 180, 220, 170];
ages = [22, 25, 30, 22, 28, 35, 40, 22, 30, 27, 25, 29, 31, 33, 28, 26, 24, 30, 29, 27];
% Plot the bar chart for sales
% Your code here

Need a hint?

Use bar(sales) to create the bar chart.

4

Plot histogram for ages

Use the histogram function to create a histogram of the ages vector.

MATLAB

sales = [150, 200, 180, 220, 170];
ages = [22, 25, 30, 22, 28, 35, 40, 22, 30, 27, 25, 29, 31, 33, 28, 26, 24, 30, 29, 27];
bar(sales);
% Plot the histogram for ages
% Your code here

Need a hint?

Use histogram(ages) to create the histogram.