Least Expensive Data Collection Method
Which method of data collection is the least expensive and is the only method to reach remote areas?
Topic: NCERT Books
Errors in Data Acquisition
Errors arising from recording of incorrect responses during data collection are called:
Personal Interview — Not an Advantage
Which of the following is NOT mentioned as an advantage of conducting personal interviews?
Census Data Coverage
The Census of India collects information about which of the following demographic aspects?
Continuous Variable Definition
A variable that can take ANY numerical value — including integers, fractions, and irrational numbers — is called:
Relative Frequency Definition
Frequency expressed as a proportion or percentage of total frequency is known as:
Adjusted Class Interval Calculation
In the frequency distribution of incomes of 550 employees, after applying the adjustment of 0.5, what does class 800–899 become?
Lower Limit Excluded Convention
In the exclusive form of class intervals, if values such as 10, 30 are put into classes ‘0 to 10′ and ’20 to 30’ respectively, this is called the case of:
Why Unequal Intervals Give Better Class Marks
Which of the following best describes why class marks are more representative in unequal class intervals?
Class Mark of 40-45 in Unequal Distribution
What is the class mark of the class 40–45 in the unequal class interval frequency distribution?