Question

Define median?Explain how to find median for ungrouped data​

Answer 1

Answer:

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If a data set has an odd number of observations, then the median is the middle value. If it has an even number of observations, the median is the average of the two middle values. To find the median:

1) Arrange the data values from least to greatest.

2) If necessary, use the locator's formula c = (n + 1)/2 where n is the total number of observations.

3) Look for the value at (n + 1)/2. Use the result in step 2.

If c contains a fractional half, it means the median is the average of two values. For example, if the location is 3.5, the median is the average of the 3rd and 4th data points.

The formulas for calculating the median of an ungrouped data, which has "n" number of observations are:

• If the number of observations is odd: xm = xn+12.

• If the number of observations is even: xm = xn2+xn+222.

Answer 2

Answer:

If a data set has an odd number of observations, then the median is the middle value. If it has an even number of observations, the median is the average of the two middle values. To find the median: 1) Arrange the data values from least to greatest.

Step-by-step explanation:

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