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Question
Difficulty Level:

Easy

MCQ

A group of students plans to participate in a swimming competition. The students begin training with a coach one month prior to the competition. The dot plots shown represent the time they took to finish a 5050-meter m{m} lap before the start of training and after training was completed.

Complete the sentence describing whether or not the training has an impact on the time taken by the students to complete a lap and the evidence to support your answer.

A small overlap between the distributions indicates that after one month of training, there is __ in the time taken by the students to complete a lap.

Select all that apply :

A significant decrease

A significant increase

No increase or decrease

None of the above

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