Mathematics & Statistics

Mathematics & Statistics – Explore the world of maths with our comprehensive coverage of research and resources. Your one-stop resource for maths and statistics study. We offer comprehensive Mathematics & Statistics articles to help you improve your math and stats skills, including Operation Research, LPP, Inventory, Network Analysis, Graph Theory, Sequence, Set Theory, Mathematical Induction, Business Statistics, Data, Information, Measure of Central Tendency, Measure of Variations, Classification, Tabulation of data, Time Series, Index Numbers, etc.

qualities or characteristics of a good questionnaire in research, important points to think while preparing the questionnaire

Types of questions in a Questionnaire to be avoided

Lata Agarwal

Avoid difficult wording and Complex language. In a questionnaire, simple language is useful. The wording used in the questionnaire should be simple to understand. The questionnaire should use the respondents’ vocabularies. […]

Points to keep in mind while preparing the Questionnaire

Lata Agarwal

Because the questionnaire is impersonal, it is even more necessary to pay attention to its design. Hence, to create a questionnaire, a set of sufficient, acceptable and appropriate questions in a sequential order is required. […]

Qualities or Characteristics of a good Questionnaire in Research

Lata Agarwal

A well-written list of questions should be included in a questionnaire. The number of questions should be minimum. […]

qualitative and quantitative types of data

Types of Data: Qualitative & Quantitative Data; Nominal, Ordinal, Discrete & Continuous Data

Lata Agarwal

Data can be descriptive (characteristics) or numerical (numbers). Let us take a look at some of the most prevalent data types. There are two types of data: Qualitative and Quantitative. […]

Invention and Historical Development of the Number Zero in Hindi

Lata Agarwal

प्रसिद्ध गणितज्ञ और खगोलशास्त्री आचार्य आर्यभट्ट जी ने, 5वीं शताब्दी के मध्य में, भारत में शून्य का आविष्कार किया था। आर्यभट्ट ने ही सबसे पहले ५वीं शताब्दी में शून्य को एक संख्या के रूप में इस्तेमाल करना शुरू किया था, और बाद में यह पूरे विश्व में प्रचलित हो गया। […]

Basic Operations on Sequences

Lata Agarwal

We know that the operations of addition, subtraction, multiplication, and division can all be defined using real numbers. These operations can easily be applied to a set of sequences. […]

Equality of Two Sequences

Lata Agarwal

Two sequences and are said to be equal or identical if and only if n-th terms of both sequences are equal, that is, […]

Null Sequence and Dull Sequence

Lata Agarwal

A sequence is said to be a null sequence if its limit is zero, that is, a sequence that converges to a limit of zero is called the null sequence. […]

Constant Sequence in Mathematics

Lata Agarwal

A sequence is said to be a constant sequence if all terms of a sequence are the same. A sequence {sn} defined by sn = a for all n∈N is called a constant sequence. […]

Finite and Infinite Sequences in Math

Lata Agarwal

A sequence is said to be a finite sequence if the range of the sequence is finite. A sequence is said to be an infinite sequence if the range of the sequence is infinite. […]