Question: What are correct observations about normal distribution curves? ) The wider the bell curve, the higher the confidence in the data The distribution of data

What are correct observations about normal distribution curves? ) The wider the bell curve, the higher the confidence in the data The distribution of data is symmetric around the mean )A shift to the left indicates a decreasing mean Changes to the mean shift a normal curve vertically The curve is defined by the mean and the standard deviation The mean, median, and mode coincide

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