I need help with my practice work.

Chihiro learned in a class that worker well-being is correlated with productivity. She was therefore pleased to find that her predecessor had been conducting random spot-checks at each factory during which he would have workers fill out a survey to assess their well-being and at the same time have management fill out surveys to assess productivity. Chihiro found the results of twenty such surveys and passed them on to you for analysis.

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