Question
Please answer questions.. use all charts ..
Use the tool to obtain the mean and median of the retirement ages. (Hint: Select the Variable sliding panel for the variable Retirement Age, and click the Statistics button.) The mean is and the median is The mean is than the median When the distribution is symmetrical, the mean is skewed, the mean is usually usually the median. When the distribution is positively the median. When the distribution is negatively skewed, the mean is the median. The presence of extremely large or small values in the data affects the mean the than the median. Therefore s the preferred measure of central tendency when the distribution is skew ta Set Retirement Retirement Sample Variables 2 observations 100 Retiree Retirement Age years 68.3 69.2 50.2 63.4 69.5 63.1 67.9 65.6 56.0 68.2 62.7 64.4 62.2 64.8 73.7 Income thousands of dollars 63.6 60.2 84.4 54.8 63.5 91.5 71.0 71.0 64.9 50.8 82.0 Variables> 10 12 13 70.3 73.6 61.1 Variable ata Set ample ariables 2 bservations 100 Retirement Retirement Retirement Age years 64.8 69.8 59.6 63.6 61.2 Income thousands of dollars 55.0 84.7 52.8 64.5 74.8 62.4 64.7 75.0 51.2 70.1 62.7 73.2 61.0 84.3 60.2 Retiree 19 20 21 Variables 69.9 23 24 25 26 61.7 50.4 64.4 67.1 66.2 67,3 Variable Variable
Explanation / Answer
when distribution is symmetrical mean is equal to median. when distribution is positively skewed mean is usually more than median. when distribution is negatively skewed generally mean is less than median.
A distribution that is skewed to the right (that is, bunched up toward the left and with a "tail" stretching toward the right). Similarly, a distribution that is skewed to the left (bunched up toward the right with a "tail" stretching toward the left) typically has a mean smaller than its median.
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