Question

1. the dot plot shows the temperature (°c) of a lab sample recorded over a period of time. each dot represents 1 hour. find the mode of the data set.

Explanation:

Step1: Recall mode definition

The mode is the value that appears most frequently in a data - set.

Step2: Count dot frequencies

For 23°C, there is 1 dot. For 24°C, there are 2 dots. For 25°C, there is 1 dot. For 26°C, there are 3 dots. For 27°C, there are 2 dots. For 28°C, there are 3 dots.

Step3: Identify the mode

Both 26°C and 28°C have the highest frequency of 3.

Answer:

26°C and 28°C