Suspect value

Bernie over 8 years ago

I've found a very suspect value in table B01002D, column B01002D_002, which is MEDIAN AGE BY SEX (ASIAN ALONE), for Males. In Placer County, CA, census tract 210.38, block group 4 (060610210384), the value for the median age is 115+. You can check it out here: factfinder.census.gov/.../0500000US06061.15000

This is the only median age value for any geography in the country greater than 99. I'll e-mail Census, and see if they have any further information.

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Bernie over 8 years ago

Here's the Census's response (basically, what you've all been saying):

Hello:

The "+" in this instance does not mean what you think it does. If you look at the table footnotes you will notice that "An '+' following a median estimate means the median falls in the upper interval of an open-ended distribution."

Also, for the MOE there is the following note "An '**' entry in the margin of error column indicates that either no sample observations or too few sample observations were available to compute a standard error and thus the margin of error. A statistical test is not appropriate."

These messages are basically saying that there were too few estimates for that cell and thus it is not a statistically significant statistic and should not be used.
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Bernie over 8 years ago

Here's the Census's response (basically, what you've all been saying):

Hello:

The "+" in this instance does not mean what you think it does. If you look at the table footnotes you will notice that "An '+' following a median estimate means the median falls in the upper interval of an open-ended distribution."

Also, for the MOE there is the following note "An '**' entry in the margin of error column indicates that either no sample observations or too few sample observations were available to compute a standard error and thus the margin of error. A statistical test is not appropriate."

These messages are basically saying that there were too few estimates for that cell and thus it is not a statistically significant statistic and should not be used.
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