Statistics for Business Decision Making

Welcome to Statistics for Business Decision Making

This interactive learning platform developed by Prof. Niankara allows you to explore statistical concepts.

Start by uploading data or choosing a built-in sample dataset.

Getting Started

Go to 'Load Data' to upload your own data or select a sample dataset
Explore different statistical modules in the sidebar
View your activity history in the 'Activity Log'
Export results using the 'Export' module

Data Upload

Upload Your Data

Choose File

Browse...

Supported formats: CSV, Excel (xlsx, xls), Stata (dta), R data (rda, rdata)

Use Sample Dataset

Choose a sample dataset:

These are built-in datasets for practice and demonstration.

Dataset Information

Data Quality Analysis

Data Overview

Missing Values

Data Types

Descriptive Statistics

Variable Selection

Select Variable:

Plot Type:

Statistics Summary

Visualization

Full Dataset Summary

Probability Distributions

Distribution Parameters

Distribution Type:

Mean

Standard Deviation

Number of trials (n)

Probability of success (p)

Number of samples

Simulation Results

Statistical Inference

Hypothesis Test

Select Variable:

Test Type:

Null hypothesis value (μ0):

Confidence Level:

Test Results

ANOVA & Chi-Square Tests

One-Way ANOVA

Response Variable:

Factor Variable:

Chi-Square Test

Variable 1:

Variable 2:

ANOVA Results

Chi-Square Results

Regression Analysis

Model Specification

Response Variable (Y):

Predictor Variables (X):

Regression Results

Predictive Analytics

Decision Tree Model

Target Variable:

Predictor Variables:

Training Split %:

Decision Tree Plot

Model Performance

Activity Log

Analysis History

Export Results

Dataset Export

File Name:

Format:

Download Dataset

Activity Log Export

Download Activity Log Exports the current session's activity log as CSV.

Session Package

Download Full Session Creates a ZIP file with all data, logs, and results.