How to calculate median age
[DOC File]X
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a. What is the mode, median and mean of this data? Which is a better measure of central tendency? Mode = 11 years old. Median Position = Median = 12.5 years old. years old. In this example, the mean would be the most appropriate measure of central tendency, as there are no outliers or extreme values. b.
[DOC File]A statistic is a characteristic or measure obtained by ...
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Location of the median: (n+1)/2, where n is the number of observations. The ages of the n = 20 subjects... Calculating (n+1)/2 we get (20+1)/2 = 10.5. So the two middle observations are the 10th and 11th observations, namely 43 and 44. The median is the mean of these two middle observations, (43+44)/2=43.5 years.
[DOC File]Use SPSS to compute the mean, median, standard deviation ...
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If you wanted to include the median, then it might look something like this: Descriptive Statistics N Mean Median Std. Dev. Group 1 5 4.60 4.0 .894 Group 2 5 3.80 4.0 1.095 Group 3 5 5.00 5.0 1.000 Notice the following about the tables: They contain no vertical lines and …
[DOC File]Chapter 1 Review
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D. The age of an adult bear in years. E. The number of children an adult bear has per year. If the largest value of a data set is doubled, which of the following is not true? The mean increases. The standard deviation increases. The interquartile range increases. The range increases. The median …
[DOC File]A Level Mathematics Questionbanks
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Age (completed years) 0-1 2-3 4-5 6-7 8-9 10-12 13+ Number of cars 5 4 5 10 12 3 1 a) Use linear interpolation to calculate estimates for the median and third decile of the ages of the cars. [9]
[DOC File]PROBABILITY TOPICS: HOMEWORK
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The median age of the U.S. population in 1980 was 30.0 years. In 1991, the median age was 33.1 years. (Source: Bureau of the Census) What does it mean for the median age to rise? Give two reasons why the median age could rise. For the median age to rise, is the actual number of children less in 1991 than it was in 1980? Why or why not? Exercise 20
[DOC File]Calculating Percentages for Time Spent During Day, Week ...
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Some duties are performed only certain times of the year. For example, budget planning for the coming fiscal year may take a week and a half (60 hours) and is a major task, but this work is performed one time a year. To calculate the percentage for this type of duty, estimate the total number of hours spent during the year and divide by 2088.
[DOC File]MODEL-1
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11.Calculate the mean, median and mode for the following data. Age No of People 55-60 7 50-55 12 45-50 15 40-45 20 35-40 30 30-35 33 25-30 28 20-25 14 Solution: NB: Step1. Arrange the data in the ascending order to calculate median.
[DOC File]Lab One:
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You can also calculate median survival time for each age; for example, for a 25 year old the median survival time is solved as: These are parameters of the weibull distribution, which just equal 1 for an exponential (an exponential is a special case of weibull).
[DOC File]DOD Open Government
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Multiply # of Requests by the Average Age. Component 1 Component 2 Component 3. 50 X 25 = 1250 100 X 60 = 6000 200 X 75 = 15000. 1250 + 6000 + 15000 …
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