PSY521_Week2

# PSY521_Week2 - Week 2 Exercise 1 6 The mean median and mode...

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Week 2 Exercise 1 6. The mean, median and mode all fall at the same midpoint in a normal curve. A normal curve is symmetrical. The mode is the highest point in the curve, which falls at the midpoint. The midpoint is the median value and the mean also falls at the same point. 7. The mean number is the ordinary average. It is the sum of all the scores, divided by the total number of scores. So, according to the results, the average amount of anxiety attacks experienced by all 30 participants was 6.84. SD stands for standard deviation. This is the average amount that the anxiety attacks are spread out from their average. According to these results the attacks are spread out by 3.18 attacks. Figuring out the variance and then taking the square root of that variance calculate the standard deviation. SPSS Exercises

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SD= Square root of 6.60= 2.57 Exercise 2 1. School A has an average or mean of 50, which means that the total number of scores were added up and then divided by the number of scores taken. The Standard deviation is 15.25. Being that the standard deviation is the average
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