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5. You give a questionnaire to a group of respondents to measure their opinions on certain topics. Each question has seven possible choices: Strongly Agree, Agree Somewhat, Agree, Neutral, Disagree, Disagree Somewhat, and Strongly Disagree. This measurement technique is known as a:
a. Likert scale
b. scatterplot
c. Kruskal-Wallis test
d. Wilcoxen signed-rank test
What is Likert scale