Data Arrangement Process Explained
The question asks for the specific term used when data is rearranged into a different sequence or structure.
Consider the given options:
- Manipulation of data: This is a broad category that includes altering, changing, or rearranging data. Arranging data into a new order falls directly under this definition.
- Standardization of data: This process involves conforming data to a specific format or standard, which is distinct from merely changing its order.
- Sequencing of data: While arranging data into a new order implies sequencing, "manipulation" is the more encompassing term for the overall process of altering data. Sequencing is a specific type of data manipulation.
- Standardized input: This refers to data that is entered into a system in a predefined format, not the act of rearranging existing data.
Based on these definitions, the process of arranging data into a new order is best described as Manipulation of data.
Important Questions from Data Analysis
The quartile deviation of Normal Distribution is
A set of sample of 20 places of mean annual rainfall were randomly selected from a normally distributed universe that has mean annual rainfall of 320 cm. The sample mean was recorded 250 cm with standard deviation of 150 cm. Which one of the following significance tests is correct for the selected samples ?
Match List-I with List-II :
List-I
List-II
(a)
The most commonly used method of computing correlation between two variables
(i)
Intra-class correlation
(b)
An ANOVA technique used for estimating reliability of a measure
(ii)
Inter-class correlation
(c)
A technique used for estimating reliability of multiple-trials tests
(iii)
Inter-tester reliability
(d)
A form of reliability that pertains to the testers
(iv)
Coefficient alpha
Select the correct option :
Given below are two statements
Statement I: Paired t-test is used to compare two related means (μ 1 and µ 2)
Statement II: The t-test is a method used for inferential statistics
In light of the above statements, choose the most appropriate answer from the options given below
Match the items of List I with the items of List II and choose the correct answer from the code given below.
List I
List II
(a)
Descriptive statistics
(i)
Regression equation
(b)
Relationship statistics
(ii)
t-test
(c)
Predictive statistics
(iii)
Karl Pearson’s correlation
(d)
Comparative statistics
(iv)
Chi-square
(e)
Non-parametric statistics
(v)
Standard deviation
