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DAF1101 BUSINESS STATISTICS I
Business statistics is the science of good decision-making in the face of uncertainty and is used
in many disciplines such as financial analysis, econometrics, auditing, production, and
operations including services improvement, and marketing research.
1.2 Uses of Statistics
a) To present the data in a concise and definite form: Statistics helps in classifying and
tabulating raw data for processing and further tabulation for end users.
b) To make it easy to understand complex and large data: This is done by presenting the
data in the form of tables, graphs, diagrams, etc., or by condensing the data with the help
of means, dispersion, etc.
c) For comparison: Tables, measures of means, and dispersion can help in comparing
different sets of data.
d) In forming policies: It helps in forming policies like a production schedule, based on the
relevant sales figures. It is used in forecasting future demands.
e) Enlarging individual experiences: Complex problems can be well understood by
statistics, as the conclusions drawn by an individual are more definite and precise than
mere statements of facts.
f) In measuring the magnitude of a phenomenon:- Statistics has made it possible to count
the population of a country, the industrial growth, the agricultural growth, the educational
level (of course in numbers)
1.3 Limitations of Statistics
1. Statistics does not deal with individual measurements. Since statistics deals with
aggregates of facts, it cannot be used to study the changes that have taken place in
individual cases. For example, the wages earned by a single industry worker at any time,
taken by itself is not a statistical datum. However, the wages of workers in that industry
can be used statistically. Similarly, the marks obtained by Kamau of your class or the
height of Atieno (also of your class) are not the subject matter of statistical study. But the
average marks or the average height of your class has statistical relevance.
254 Pages
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Uploaded: 2026-04-11
STEGA SERIES 003 GRADE 7 2026 EXAM PAPERS WITH MARKING SCHEME
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Master your exams with STEGA SERIES 003 GRADE 7 2026 EXAM PAPERS WITH MARKING SCHEME. Get real practice questions and reliable marking schemes to guide your revision and improve performance. Don’t revise blindly. Download now and start preparing today!
36 Pages
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2 Downloads
15.44 MB
Uploaded: 2026-04-10
STEGA SERIES 003 GRADE 6 2026 EXAM PAPERS WITH MARKING SCHEME
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Master your exams with STEGA SERIES 003 GRADE 6 2026 EXAM PAPERS WITH MARKING SCHEME. Get real practice questions and reliable marking schemes to guide your revision and improve performance. Don’t revise blindly. Download now and start preparing today!
23 Pages
7086 Views
4 Downloads
9.51 MB
Uploaded: 2026-04-10
SUCCESS PATH JOINT EXAM PRE-MOCK 2026; Mathematics PP1 & PP2 Q&A
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Download a copy of the SUCCESS PATH JOINT EXAM PRE-MOCK 2026; Mathematics PP1 & PP2 Question Papers with well coordinated Marking Schemes attached. This is a good revision material for your upcoming exams.
63 Pages
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3 Downloads
3.86 MB
Uploaded: 2026-04-10
SUCCESS PATH JOINT EXAM PRE-MOCK 2026; Geography PP1 & PP2 Q&A
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Download a copy of theSUCCESS PATH JOINT EXAM PRE-MOCK 2026; Geography PP1 & PP2 Question Papers with well coordinated Marking Schemes attached. This is a good revision material for your upcoming exams.
52 Pages
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Uploaded: 2026-04-10
STEGA SERIES 003 GRADE 4 2026 EXAM PAPERS WITH MARKING SCHEME
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Master your exams with STEGA SERIES 003 GRADE 4 2026 EXAM PAPERS WITH MARKING SCHEME. Get real practice questions and reliable marking schemes to guide your revision and improve performance. Don’t revise blindly. Download now and start preparing today!
24 Pages
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3 Downloads
9.4 MB
Uploaded: 2026-04-10
GRADE 10 HISTORY AND CITIZENSHIP TOPICAL REVISION BOOKLET
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This grade 10 History and Citizenship Topical Revision Booklet comprises of revision questions arranged in sub strand and strand form. It covers all the grade 10 sub strands and strands.
The History and Citizenship Topical Revision Booklet is tailored to help both the teacher and the students in revision.
It is voluminous comprising of over 800 revision questions and over 100 pages.
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Uploaded: 2026-04-10
GRADE 10 GEOGRAPHY TOPICAL REVISION BOOKLET
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The grade 10 Geography Topical Revision Booklet comprises of revision questions arranged by strand and sub strand across all strands and sub strands in the grade 10 curriculum design.
With over 800 topical revision questions and over 100 pages.
It is ideal for the both teachers and students as an essential revision tool for grade 10 Geography.
2166 Views
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Uploaded: 2026-04-10
GRADE 10 BUSINESS STUDIES TOPICAL REVISION BOOKLET
The grade 10 Business studies Topical Revision Booklet is an essential revision tool tailored to help grade 10 learners revise for their assessments.
It comprises of topical revision questions drawn across all the strands and sub strands in the Business studies grade 10 curriculum design.
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Uploaded: 2026-04-10
GRADE 10 CRE TOPICAL REVISION BOOKLET
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The grade 10 CRE Topical Revision Booklet is an essential tool for revision for both the learners and teachers as it brings together over 900 revision questions arranged by strand and sub strand.
It is an in depth analysis of the grade 10 CRE curriculum design covering the whole content thus making it easier for students to revise for their assessments.
3967 Views
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Uploaded: 2026-04-10
GRADE 10 CORE MATHEMATICS TOPICAL REVISION BOOKLET
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The grade 10 Core Mathematics Topical Revision Booklet is an in depth revision material for learners undertaking core mathematics.
It brings together topical revision questions arranged by strand and sub strand which are ideal for learners revising for their core mathematics assessments.
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Uploaded: 2026-04-10
grade five all subjects
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Holiday assignment for grade 5 for all the learning areas to enable learners recall what they learnt during term one and come enlightened for term two without a lot of difficulty
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Uploaded: 2026-04-08
Complete Grade 10 History And Citizenship Topical Revision
Brightpath Publishers’ Grade 10 History & Citizenship Revision Book is an essential tool for learners navigating the Competency-Based Curriculum (CBC). Thoughtfully crafted with clarity and precision, it provides well-structured revision questions that strengthen memory, deepen understanding, and sharpen critical thinking skills. Each strand and sub-strand is carefully aligned to the syllabus, ensuring comprehensive coverage of key areas such as Kenyan history, linguistic groups, governance, and civic responsibility.
The book features an engaging, learner-friendly layout with vivid picture interpretation activities that make revision interactive and enjoyable. It is ideal for both classroom use and independent study, offering concise, exam-focused content that builds confidence and readiness. Teachers will find it practical and easy to integrate into lessons, while students benefit from its simplicity and effectiveness. Guided by Brightpath’s motto, “Revise, Reflect, Rise,” this book empowers learners to excel academically and grow into responsible citizens.
66 Pages
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Uploaded: 2026-04-06
CHEM 130: INTRODUCTION TO ORGANIC CHEMISTRY
Introduction into the major families of organic compounds:
Alkanes, alkenes and alkynes, alkyl halides, aldehydes and ketones, carboxylic
acids, aliphatic amines, phenols, ethers (nomenclature, preparation, reactions and qualitative analysis
105 Pages
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1.52 MB
Uploaded: 2026-04-06
AGEN 172: INTRODUCTION TO WORKSHOP TECHNOLOGY
The unit covers the competencies required to perform workshop process. Competenciesinclude
electrical installation, Storage of Electrical tools and materials, troubleshoot and repair/replace
applying workshop Safety, use of workshop tools and instruments, preparation of workshop for
workshop tools and equipment
84 Pages
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2.13 MB
Uploaded: 2026-04-06
BOTA 121: PLANT ANATOMY AND MORPHOLOGY
This is a course that deals with plants anatomy and morphology and other terms used in classification of plant . It also deals with types of leaves and how they can be classified
140 Pages
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Uploaded: 2026-04-06
SIGNAL PREMIUM 004 GRADE 9 2025 EXAMINATION PAPERS WITH MARKING SCHEME
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Boost your exam confidence with SIGNAL 004 GRADE 9 2025 EXAMINATION PAPERS WITH MARKING SCHEME. This resource offers real exam-style questions and detailed solutions to sharpen understanding and mastery. Perfect for revision, practice, and self-assessment, it gives students a competitive edge and ensures they’re fully prepared for success.
116 Pages
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23.16 MB
Uploaded: 2026-04-05
DISTINCTION 004 GRADE 9 2025 EXAMINATION PAPERS WITH MARKING SCHEME
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Boost your exam confidence with DISTINCTION 004 GRADE 9 2025 EXAMINATION PAPERS WITH MARKING SCHEME. This resource offers real exam-style questions and detailed solutions to sharpen understanding and mastery. Perfect for revision, practice, and self-assessment, it gives students a competitive edge and ensures they’re fully prepared for success.
67 Pages
3745 Views
2 Downloads
14.16 MB
Uploaded: 2026-04-05
BCA 122: MATHEMATICS AND STATISTICS LECTURE NOTES
This document discusses concepts in set theory, including: - A set is a collection of distinct objects called elements that are defined by a property or rule. - A subset is a set where every element of the subset is also an element of the main set. Proper subsets do not contain all elements of the main set, while improper subsets are equal to or empty compared to the main set. - Two sets are equal if they contain the same elements. Equality can be shown by proving each set is a subset of the other.
242 Pages
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Uploaded: 2026-04-05
ACCT 122: INTRODUCTORY ACCOUNTING 1 NOTES
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Accounting – “an information system that identifies, measures, records and communicates relevant, reliable, consistent and comparable information about an organization’s economic activities.” collecting information, recording it, and then reporting it to various decision makers. Using the information that accounting provides enables people to make better decisions, evaluate opportunities and determine the performance of an organization.
44 Pages
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Uploaded: 2026-04-05