You are managing a large Testing project where in one of the release cycles, a high number of defects were rejected by one of the project teams as "Invalid Defects". You called for a meeting with the selected team members to seek their inputs on high percentage of "Invalid Defects" and perform further analysis. Which causal analysis technique is being used here?

Select the correct option$($s$)$ and click submit.

Brainstorming

Pareto Analysis

$5$ Why

Nominal Group Technique