Examlex
Solve the quadratic equation by using any method.
Mail Survey
A research method where questionnaires are sent via postal mail to selected participants to gather feedback or opinions.
Online Survey
A data collection method where questionnaires are distributed and filled out by respondents over the Internet.
Telephone Survey
A research method in which questions are asked and answers are obtained via telephone.
Email Survey
A method of collecting data and feedback by sending questionnaires to respondents via email.
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