Sail E0 Webinar

MCQs

Total Questions : 10
Question 1. A numerical value used as a summary measure for a sample, such as sample mean, is known as a
  1.    population parameter
  2.    sample parameter
  3.    sample statistic
  4.    population mean
 Discuss Question
Answer: Option C. -> sample statistic




Question 2. The sum of the percent frequencies for all classes will always equal
  1.    one
  2.    the number of classes
  3.    the number of items in the study
  4.    100
 Discuss Question
Answer: Option D. -> 100




Question 3. In a week the prices of a bag of rice were 350,280,340,290,320, 310,300. The range is
  1.    60
  2.    70
  3.    80
  4.    100
 Discuss Question
Answer: Option B. -> 70




Question 4. Which of the following is not based on all the observations?
  1.    Arithmetic Mean
  2.    Geometric Mean
  3.    Harmonic Mean
  4.    Weighted Mean
 Discuss Question
Answer: Option B. -> Geometric Mean




Question 5. The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation?
  1.    60.4%
  2.    48.3%
  3.    35.7%
  4.    27.8%
 Discuss Question
Answer: Option C. -> 35.7%




Question 6. The middle value of an ordered array of numbers is the
  1.    Mode
  2.    Mean
  3.    Median
  4.    MidPoint
 Discuss Question
Answer: Option C. -> Median




Question 7. A researcher selects a probability sample of 100 out of the total population. It is
  1.    A cluster sample
  2.    A random sample
  3.    A systematic sample
  4.    A stratified sample
 Discuss Question
Answer: Option B. -> A random sample




Question 8. Formula written as quartile deviation divided by sum of third and first quartile is used to calculate
  1.    co-efficient of quartile deviation
  2.    coefficient of quartiles
  3.    coefficient of inter quartiles
  4.    coefficient of central tendency
 Discuss Question
Answer: Option A. -> co-efficient of quartile deviation




Question 9. In statistics, a population consists of
  1.    All People living in a country
  2.    All People living in the are under study
  3.    All subjects or objects whose characteristics are being studied
  4.    None of the above
 Discuss Question
Answer: Option B. -> All People living in the are under study




Question 10. 1st quartile is also known as
  1.    lower quartile
  2.    upper quartile
  3.    median
  4.    geometric mean
 Discuss Question
Answer: Option A. -> lower quartile




Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0