Topic: CH-3: Organisation of Data

In the frequency distribution of incomes of 550 employees, after applying the adjustment of 0.5, what does class 800–899 become?

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:

Which of the following best describes why class marks are more representative in unequal class intervals?

What is the class mark of the class 40–45 in the unequal class interval frequency distribution?

A variable that can take only certain values and changes by finite ‘jumps’ without taking intermediate values is called:

In statistical calculations on classified (grouped) data, which values are used instead of the actual values of observations?

In the frequency distribution of incomes of 550 employees with classes 800–899, 900–999, …, which class has the maximum number of employees?

For continuous variables like height (in centimeters), a class interval ’30 Kg – 39.999… Kg’ is understood to mean:

In the bivariate frequency distribution (Table 3.9), what is the range of sales (in lakh Rs) covered?

In the context of the chapter, classifying Census data by gender, education, marital status and occupation is an example of: