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Xenya collects data on people's happiness scores after viewing a comedy movie on a scale of 1- 10. In her descriptive statistics, she finds
Xenya collects data on people's happiness scores after viewing a comedy movie on a scale of 1- 10. In her descriptive statistics, she finds a mean of 4.9 and a standard deviation of 2.9. What is the z-score for a participant who selected a happiness level of 2? Round to two decimal points.
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