Chapter 1: Scope of Statistics and Types of Data — Online MCQ Test
STATISTICS · CLASS 11th · Tamil Nadu State Board
Practice Chapter 1: Scope of Statistics and Types of Data with a free chapter-wise online MCQ test.
This chapter covers: This chapter introduces statistical science definitions functions scope limitations and data types. Students examine primary data secondary data qualitative quantitative nominal or....
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Chapter 1: Scope of Statistics and Types of Data — Important Questions & Answers
Which of the following best defines Statistics?
- A. The science of collecting, classifying, presenting, analyzing, and interpreting numerical data
- B. The study of chemical reactions in living organisms
- C. The branch of mathematics dealing only with geometry
- D. The study of non-numerical facts only
Answer: A. The science of collecting, classifying, presenting, analyzing, and interpreting numerical data
Statistics is concerned with the systematic handling of data from collection to interpretation. It is not limited to just numbers or one branch of mathematics.
Statistics is concerned with the systematic handling of data from collection to interpretation. It is not limited to just numbers or one branch of mathematics.
Data collected first-hand by the investigator for a specific purpose is called ______.
- A. Secondary data
- B. Primary data
- C. Derived data
- D. Published data
Answer: B. Primary data
Primary data are original data collected directly by the investigator for the given study. They are not taken from existing sources.
Primary data are original data collected directly by the investigator for the given study. They are not taken from existing sources.
A researcher uses school records to study students' attendance. The data used here are:
- A. Primary data
- B. Secondary data
- C. Experimental data
- D. Nominal data
Answer: B. Secondary data
School records are already available and were collected earlier for some other purpose. Hence, they are secondary data.
School records are already available and were collected earlier for some other purpose. Hence, they are secondary data.
Which of the following statements about Statistics is correct?
- A. Statistics deals only with individual observations
- B. Statistics is useful only in mathematics classrooms
- C. Statistics summarizes facts in a definite form for comparison
- D. Statistics cannot be used in economics or social sciences
Answer: C. Statistics summarizes facts in a definite form for comparison
Statistics presents facts in an organized and comparable form. It is widely used in economics, commerce, and social sciences.
Statistics presents facts in an organized and comparable form. It is widely used in economics, commerce, and social sciences.
A survey asks students to choose their preferred subject from Mathematics, Physics, Chemistry, and Biology. Which statement is correct?
- A. The data are quantitative and interval scale
- B. The data are qualitative and nominal scale
- C. The data are quantitative and ratio scale
- D. The data are qualitative and ordinal scale
Answer: B. The data are qualitative and nominal scale
Subject preference is a category without any natural order. Therefore, it is qualitative data at the nominal level.
Subject preference is a category without any natural order. Therefore, it is qualitative data at the nominal level.