A. ocean temperatures declining
The mode for this set of data is: 45.
<h3>What is mode?</h3>
Mode can be defined as the number that appear more than other numbers.
The given chart is:
Anxious behaviors per hour
Subject 1 60
Subject 2 45
Subject 3 20
Subject 4 70
Subject 5 45
Based on the above chart we can see 45 in subject 2 and 45 in subject 5 which in turn means that 45 appear more than others numbers as it appear twice.
Therefore The mode for this set of data is: 45.
Learn more about mode here:brainly.com/question/14532771
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Answer: The placebo effect
Explanation: The placebo effect is defined as a phenomenon in which some people experience a benefit after the administration of an inactive substance or sham treatment. What exactly is a placebo? A placebo is a substance with no known medical effects, such as sterile water, saline solution, or a sugar pill.
