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These side-by-side stemplots represent the scores on the final exam for a statistics teacher’s 1st-period class $(n = 29)$ on the left and 5th-period class $(n = 22)$ on the right. The scores are raw scores, out of a possible $100$ points.

Which of the following statements is false?


The mean for 5th period is greater than the mean for 1st period.


Both groups have the same modal class.


5th period has less variability than 1st period.


1st period is skewed right.


1st period did worse than 5th period.

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