Statistics : Chapter-2
Definition
Raw Data: Data recorded in the sequence in which they are collected and before
they are processed or ranked are called raw data.
Suppose we collect information on the ages (in years) of 50 students selected from a
university.
The data values, in the order they are collected, are recorded in Table 2.1. For
instance, the first student’s age is 21, the second student’s age is 19 (second number
in the first row), and so forth. The data in Table 2.1 are quantitative raw data.
, Organizing and Graphing Qualitative Data
Definition
Frequency Distribution for Qualitative Data : A frequency distribution for qualitative data lists
all categories and the number of elements that belong to each of the categories.
Definition
Raw Data: Data recorded in the sequence in which they are collected and before
they are processed or ranked are called raw data.
Suppose we collect information on the ages (in years) of 50 students selected from a
university.
The data values, in the order they are collected, are recorded in Table 2.1. For
instance, the first student’s age is 21, the second student’s age is 19 (second number
in the first row), and so forth. The data in Table 2.1 are quantitative raw data.
, Organizing and Graphing Qualitative Data
Definition
Frequency Distribution for Qualitative Data : A frequency distribution for qualitative data lists
all categories and the number of elements that belong to each of the categories.
