{"id":11905,"date":"2019-12-13T10:39:42","date_gmt":"2019-12-13T05:09:42","guid":{"rendered":"https:\/\/kseebsolutions.guru\/?p=11905"},"modified":"2021-07-02T15:36:53","modified_gmt":"2021-07-02T10:06:53","slug":"1st-puc-statistics-question-bank-chapter-1","status":"publish","type":"post","link":"https:\/\/kseebsolutions.guru\/1st-puc-statistics-question-bank-chapter-1\/","title":{"rendered":"1st PUC Statistics Question Bank Chapter 1 Introduction – Meaning and Scope"},"content":{"rendered":"

You can Download Chapter 1 Introduction – Meaning and Scope Questions and Answers, Notes, 1st PUC Statistics Question Bank with Answers<\/a> Karnataka State Board Solutions help you to revise complete Syllabus and score more marks in your examinations.<\/p>\n

Karnataka 1st PUC Statistics Question Bank Chapter 1 Introduction – Meaning and Scope<\/h2>\n

1st PUC Statistics Introduction – Meaning and Scope Two Marks Questions and Answers<\/h3>\n

Question 1.
\nWhat do you mean by the word \u2018 statistics\u2019
\nSolution:
\nNumerical statements are called statistics.<\/p>\n

Question 2.
\nHow the word statistics derived? what is the origin of statistics?
\nSolution:
\nThe word statistics is derived from the Latin word \u2018status\u2019 or the German word \u2018statistik\u2019 or the French word \u2018statistique\u2019 or the Italian word \u2018statista\u2019, each of which mean the political state Affairs.<\/p>\n

Question 3.
\nGive an example for statistics.
\nSolution:
\nThe figures regarding the army, population of a locality, taxation pattern, expenditures of different departments, volume of trades, the scoring figures of a cricket team etc., were called statistics<\/p>\n

\"KSEEB<\/p>\n

Question 4.
\nWhat are the two senses in which the term \u2018Statistics\u2019 is generally used ?
\nSolution:
\nThe word statistics used in two senses as-<\/p>\n

    \n
  1. In plural form statistics as \u2018Statistical data\u2019 or Numerical statement of facts<\/li>\n
  2. In singularform \u2018Statistical methods\u2019.<\/li>\n<\/ol>\n

    Question 5.
    \nDistinguish between \u2018Statistics as numerical data\u2019 and \u2018 Statistics as statistical methods \u2019 with examples.
    \nSolution:
    \nStudent’s strength recorded for the past five years of a college is a \u2018statistical data\u2019 and collection, presentation, analysis and interpretation of numerical data is a \u2018statistical methods\u2019.<\/p>\n

    Question 6.
    \nState Prof. Horace Secrist\u2019s definition of statistics.
    \nSolution:
    \nIn plural sense an exhaustive definition was given by prof. Horace secrists as \u201cStatistics may be defined as the aggregate of facts affected to a marked extent by multiplicity of causes, numerically expressed, enumerated or estimated according to a reasonable standard of accuracy, collected in a systematic manner, for a predetermined purpose and placed in relation to each other.<\/p>\n

    Question 7.
    \nState \u2018A.L.Bowley\u2019s and \u2018Croxton and Cowden\u2019s\u2019 definition of Statistics.
    \nSolution:
    \nA.L. Bowley defined Statistics as \u2018The Science of counting\u2019. Afterwards, he redefined it as \u2018The science of averages \u2019, Croxton and Cowden defines \u201c Statistics is the science of collection, presentation, analysis and interpretation of numerical data .\u201d<\/p>\n

    \"KSEEB<\/p>\n

    Question 8.
    \nMention the characteristics of Statistics.
    \nSolution:
    \nThe characteristics are-<\/p>\n

      \n
    • Statistics are aggregate of facts. …<\/li>\n
    • Statistics are affected to a marked extent by multiplicity of causes.<\/li>\n
    • Statistics are numerically expressed.<\/li>\n
    • Statistics are enumerated or estimated according to a reasonable standard of accuracy.<\/li>\n
    • Statistics are collected in a systematic manner.<\/li>\n
    • Statistics are collected for a pre-determined purpose.<\/li>\n
    • Statistics should be placed in relation to each other.<\/li>\n<\/ul>\n

      Question 9.
      \nMention the two branches of Applied Statistics.
      \nSolution:
      \nThe two branches of statistics are- Statistical Methods and Applied Statistics.<\/p>\n

      Question 10.
      \nWrite a brief note on the main divisions of Statistics.
      \nSolution:
      \nStatistics have two branches, namely Statistical Methods and Applied Statistics.
      \nStatistical methods are also called mathematical statistics or theory of statistics. It deals with the procedure of statistical analysis of numerical data. It is a tool for decision making.<\/p>\n

      Applied Statistics is the application of statistical methods to concrete situations like Agriculture, Industry, Population, Medicines etc.<\/p>\n

      \"KSEEB<\/p>\n

      Question 11.
      \nWhat is Biometry ?
      \nSolution:
      \nBiometry which means Bio-Statistics- which deals problems in Biology.<\/p>\n

      Question 12.
      \nDefine Econometrics.
      \nSolution:
      \nEconometrics is a tool used to prove or disprove the theories of Economics.<\/p>\n

      Question 13.
      \nWhat are the functions of Statistics?
      \nSolution:
      \nThe followings are the important functions of Statistics :<\/p>\n

        \n
      • It presents the facts in a definite form<\/li>\n
      • It simplifies and condenses the size of the data<\/li>\n
      • It facilitates comparison<\/li>\n
      • It enriches our knowledge and widens our experience<\/li>\n
      • It helps in formulating policies<\/li>\n
      • It helps in Business forecasting.<\/li>\n
      • It helps in framing and testing of hypothesis<\/li>\n<\/ul>\n

        Question 14.
        \nWhat are the limitations of Statistics?
        \nSolution:
        \nSome limitations of Statistics are as follows :<\/p>\n

          \n
        • It does not deal with individuals<\/li>\n
        • It does not deal with qualitative data<\/li>\n
        • Statistical laws are true only on an average<\/li>\n
        • \u00a0Only experts can make the best possible use of statistics.<\/li>\n
        • For statistical analysis, uniformity and homogeneity of data is essential<\/li>\n<\/ul>\n

          \"KSEEB<\/p>\n

          Question 15.
          \nWhat is the role of statistics in Business and Economics?
          \nSolution:
          \nStatistics in Business: Statistical methods are used by businessmen in making decisions, estimation and comparison of sales, production, export, import, etc.\u00a0 Also, in the business activities such as production, finance, sales, accounting, purchase, quality control, marketing, etc., statistical methods are extensively used. Statistical methods are used in forecasting the future trends and tendencies.<\/p>\n

          Statistics in Economics: Statistical methods are useful in understanding economic problems, formulating economic policies. Five-year plans, Savings, Taxation, Exports and Imports etc, and their progress are evaluated by statistical methods. Econometrics is a branch of statistics, which deals with the application of statistical methods in the field of Economics.<\/p>\n

          Question 16.
          \nWhat are the causes of distrust of Statistics?
          \nSolution:
          \nThe causes of distrust of statistics arises due to the direct or indirect influence of certain causes. Theses causes are :<\/p>\n

            \n
          • Figures can be easily believed.<\/li>\n
          • Ignoring the limitations of statistics.<\/li>\n
          • Misuse of the figures.<\/li>\n
          • Inadequate samples.<\/li>\n
          • Lack of subject knowledge.<\/li>\n<\/ul>\n

            Question 17.
            \nWhat are the remedies to remove the distrust of Statistics?
            \nSolution:
            \nFollowing are the remedies to remove distrust statistics:<\/p>\n

              \n
            • Need of caution.<\/li>\n
            • Statistical limitations should be taken into consideration.<\/li>\n
            • Self-restraint. That is self-control in statistical fallacies.<\/li>\n
            • Statistics must be used by experts.<\/li>\n
            • Analytical study of data before its use.<\/li>\n<\/ul>\n

              \"KSEEB<\/p>\n

              Question 18.
              \nExplain with examples of the following:<\/p>\n

              (a) Population and Sample.
              \nSolution:
              \nThe totality of units under consideration is called population or universe. The representative units of a population is called sample.
              \nEx:<\/p>\n

                \n
              1. Number of Paddy saplings in a plot are population, where the number of paddy saplings hold in a hand by a cooli for grafting is a sample.<\/li>\n
              2. The number of students of I year commerce students in a college is population, where as the number of students in I year SEBA -A section is a sample.<\/li>\n<\/ol>\n

                (b) Qualitative and Quantitative characteristics.
                \nSolution:
                \nThe characteristics which are not numerically measurable are called Qualitative Characteristics.
                \nEx: Beauty of a painting, skin colour \/ famous\/intelligence of a person.<\/p>\n

                – Numerically measurable characteristics are called Quantitative Characteristic.
                \nEx: Number ripe mangoes, No. of phone calls, Height of a person, weight of apples, wages of Employees.<\/p>\n

                (c) Qualitative and Quantitative data.
                \nSolution:
                \nThe data which are not numerically expressed are called Qualitative data.
                \nEx: In a class out of 80 students in a class, 22 wear spectacles of which 3 are blue eyed girls and 4 dark-eyed boys.<\/p>\n

                – Numerically expressed data are called Quantitative Data.
                \nEx: In a class of 80 students,- 28 students were above 175 cms and 15 students were below 165 students.<\/p>\n

                (d) Variable and Attribute.
                \nSolution:
                \nA qualitative characteristics which varies from unit to unit is an attribute.
                \nEx: Skin colour, Taste, Beauty, Intelligence, Famous, Ability etc A quantitative characteristics which varies from unit to unit is a variable.
                \nEx : No. of children, No. of printing mistakes in a book, Height, Weight, Thickness, Length etc.<\/p>\n

                (e) Discrete and Continuous variables.
                \nSolution:
                \nA variable which assumes only specified values within a given range is a discrete variable.
                \nEx : Number of benches\/windows in a classroom, Number of road accidents in a day etc.
                \n– A variable which assumes all the possible values within a given range is a continuous variable.
                \nEx: Income of persons, Weight of students etc.<\/p>\n

                (f) Nominal and Ordinal scales.
                \nSolution:
                \nNumber assigned for every unit for identification of different categories is called a nominal scale.<\/p>\n

                Ex:<\/p>\n

                  \n
                1. Roll numbers assigned to students of a class.<\/li>\n
                2. Teaching staff of a college are indicated by \u2018 1 \u2019 as married and \u20180\u2019 as unmarried. -Numbers assigned to observations that can be arranged in ascending or descending order is called an ordinal scale.<\/li>\n<\/ol>\n

                  Ex:<\/p>\n

                    \n
                  1. Ranks given to students according to their performance.<\/li>\n
                  2. The qualities of cashew are assigned 1, 2 and 3 according to their quality in a market yard.<\/li>\n<\/ol>\n

                    \"KSEEB<\/p>\n","protected":false},"excerpt":{"rendered":"

                    You can Download Chapter 1 Introduction – Meaning and Scope Questions and Answers, Notes, 1st PUC Statistics Question Bank with Answers Karnataka State Board Solutions help you to revise complete Syllabus and score more marks in your examinations. Karnataka 1st PUC Statistics Question Bank Chapter 1 Introduction – Meaning and Scope 1st PUC Statistics Introduction …<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[81],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts\/11905"}],"collection":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/comments?post=11905"}],"version-history":[{"count":0,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts\/11905\/revisions"}],"wp:attachment":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/media?parent=11905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/categories?post=11905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/tags?post=11905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}