Use the Following to Answer the Questions Below

Multiple Choice

Use the following to answer the questions below:
Penalties in ice hockey occur when a player breaks one of the rules of the game. In most cases, when a penalty occurs, the offending player is placed in the penalty box (the length of time spent in the penalty box depends on the severity of the penalty) , and the team has to play with fewer people on the ice, which can result in an advantage for the opposing team. The number of penalties per game for several randomly selected games are displayed for three college men's ice hockey teams.
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-Computer output provides the following grouping information:

Means that do not share a letter are significantly different.
Based on this output, which teams have significantly different means?

A) Teams A and B
B) Teams A and B; Teams A and C
C) Teams A and C
D) All three teams have significantly different means