∑
Math Lab
Classes
Class X
Class XII
Formulas
Quizzes
▶
Play
☰
Home
/
Class IX
/
Chapter 12
/
Collection and Types of Data
/
Quiz
Class IX
Quick check : Collection and types of data
6 questions
Question 1 of 6
Score:
0
/ 0
Data collected directly by the investigator is:
A
secondary
B
primary
C
grouped
D
cumulative
← Back to subtopic notes
AI Summary
Summarize this page in your favorite LLM