Business & Entrepreneurship

Customer Service Excellence

A practical, project-based intermediate course built for Nigerian learners. Learn customer service excellence through guided lessons, worked examples, hands-on assignments, checkpoints and a final action plan.

Intermediate Level10 hours Estimated8 Modules32 Learning units
WHAT YOU WILL LEARN

Build practical confidence in organising, calculating and analysing data in spreadsheets.

Use Microsoft Excel or a compatible spreadsheet app with a clear working process.

Understand tables, formulas, lookups, cleaning, pivot tables, charts and error checking.

Produce a clean analysis workbook with formulas, summary metrics, chart and data-quality checks as practical evidence.

Review your result, identify weak points and create a 30-day improvement plan.

SKILLS YOU WILL GAIN

Know the process, then prove you can use it.

tables, formulas, lookups, cleaning, pivot tables, charts and error checking.

TablesFormulasLookupsCleaningPivot tablesCharts
WHO THIS IS FOR

Learners who want a practical, structured way to build organising, calculating and analysing data in spreadsheets for work, business, freelancing or personal development.

PREREQUISITES

Comfort with the foundations of this subject will help you move faster.

HOW YOU PROVE IT

Complete the guided activities, pass module checkpoints at 80% or higher and finish the capstone: a clean analysis workbook with formulas, summary metrics, chart and data-quality checks.

CURRICULUM

Eight modules. Practice in every module.

Module 1: Foundations: Organising, calculating and analysing data in spreadsheets4 units
  1. LessonConcept: Foundations: Organising, calculating and analysing data in spreadsheets18 min
  2. ExampleWorked example: Foundations: Organising, calculating and analysing data in spreadsheets18 min
  3. ActivityPractice: Foundations: Organising, calculating and analysing data in spreadsheets25 min
  4. QuizCheckpoint quiz: Foundations: Organising, calculating and analysing data in spreadsheets12 min
Module 2: Tools, setup and a safe working system4 units
  1. LessonConcept: Tools, setup and a safe working system18 min
  2. ExampleWorked example: Tools, setup and a safe working system18 min
  3. ActivityPractice: Tools, setup and a safe working system25 min
  4. QuizCheckpoint quiz: Tools, setup and a safe working system12 min
Module 3: Core workflow: from input to useful output4 units
  1. LessonConcept: Core workflow: from input to useful output18 min
  2. ExampleWorked example: Core workflow: from input to useful output18 min
  3. ActivityPractice: Core workflow: from input to useful output25 min
  4. QuizCheckpoint quiz: Core workflow: from input to useful output12 min
Module 4: Guided practice and common mistakes4 units
  1. LessonConcept: Guided practice and common mistakes18 min
  2. ExampleWorked example: Guided practice and common mistakes18 min
  3. ActivityPractice: Guided practice and common mistakes25 min
  4. QuizCheckpoint quiz: Guided practice and common mistakes12 min
Module 5: Quality control, troubleshooting and improvement4 units
  1. LessonConcept: Quality control, troubleshooting and improvement18 min
  2. ExampleWorked example: Quality control, troubleshooting and improvement18 min
  3. ActivityPractice: Quality control, troubleshooting and improvement25 min
  4. QuizCheckpoint quiz: Quality control, troubleshooting and improvement12 min
Module 6: Applying the skill in a Nigerian work or business context4 units
  1. LessonConcept: Applying the skill in a Nigerian work or business context18 min
  2. ExampleWorked example: Applying the skill in a Nigerian work or business context18 min
  3. ActivityPractice: Applying the skill in a Nigerian work or business context25 min
  4. QuizCheckpoint quiz: Applying the skill in a Nigerian work or business context12 min
Module 7: Capstone: a clean analysis workbook with formulas, summary metrics, chart and data-quality checks4 units
  1. LessonConcept: Capstone: a clean analysis workbook with formulas, summary metrics, chart and data-quality checks18 min
  2. ExampleWorked example: Capstone: a clean analysis workbook with formulas, summary metrics, chart and data-quality checks18 min
  3. ActivityPractice: Capstone: a clean analysis workbook with formulas, summary metrics, chart and data-quality checks25 min
  4. QuizCheckpoint quiz: Capstone: a clean analysis workbook with formulas, summary metrics, chart and data-quality checks12 min
Module 8: Final assessment and your 30-day progress plan4 units
  1. LessonConcept: Final assessment and your 30-day progress plan18 min
  2. ExampleWorked example: Final assessment and your 30-day progress plan18 min
  3. ActivityPractice: Final assessment and your 30-day progress plan25 min
  4. QuizCheckpoint quiz: Final assessment and your 30-day progress plan12 min
HOW LEARNING WORKS
01

Learn

Study the concept and a worked example.

02

Practice

Create a small real output and keep evidence.

03

Prove

Pass the checkpoint and complete your capstone.

04

Progress

Track completion, XP, streaks and your next course.

DOWNLOAD & PRACTISE

Learning materials you can keep.

CAPSTONE

Your final practical output.

a clean analysis workbook with formulas, summary metrics, chart and data-quality checks.

Use the downloadable workbook to plan the output, keep evidence and review it against a quality rubric.

CERTIFICATE

Complete the required work to unlock your Skillser certificate.

Public verification confirms the learner, course and issue date without exposing unnecessary personal information.

Verify Certificate
FAQ
Do I keep access after buying this course?

Individual course purchases grant ongoing access to that course while the Skillser platform remains available.

What score do I need on checkpoints?

The default pass standard is 80%. You can review the lesson and retake a checkpoint.

Does this course include practical work?

Yes. Every module includes a practice activity and the course ends with a capstone-style output.

READY WHEN YOU ARE

Start building organising, calculating and analysing data in spreadsheets.

Choose this course on its own or unlock the library with Skillser Pass.

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