The mode of the data at 28°C is 84. The correct option is D.
What is a mode?
In statistics, the mode is the variate with the highest frequency of occurrence in a given data. The mode is one of the attributes used to measure how centralized the variates within a data set are.
Mode is used as a measure of central tendency because:
- It is very easy to calculate
- It is not affected by outliers
- It is useful to define the properties of a data set
In this case, we are to find the mode of the data at 28°C. The data at this location is 86, 84, 83, and 84.
86 occur just once, 84 occur twice, while 83 also occur just once in the 4 elements data set.
Thus, the mode here is 84 which occurs twice.
More on arithmetic mode can be found here: https://brainly.com/question/15196910
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