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Answer:
B
Step-by-step explanation:
B
The box plot that would confirm the inference that Linda made would have a minimum value of 20 and a maximum value of 40. Somewhere in the between is the mean. The box plot should have a confidence interval of 95% in order to have the inference valid.<span />
Step-by-step explanation:
so you divide
![80 \div 20 = 4](https://tex.z-dn.net/?f=80%20%5Cdiv%2020%20%20%3D%204)
so each t-shirt costs 4$