The employee's mistake would have the following effect: The median would stay the sameincrease decrease The mean would decreaseincrease stay the same The mode would increasestay the same decrease The IQR would increasedecrease stay the same The standard deviation would decreaseincrease stay the same
he Environmental Protection Agency (EPA) uses a measure called the Pollutant Standards Index (PSI) to measure air quality in a city. A PSI reading over 100 indicates a day when the air quality is considered unhealthy. The measurements represent the number of days in 1995 that the PSI was over 100 for twenty metropolitan areas in the U.S. Midwest.
0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 7, 7, 11, 14
A careless employee originally recorded a number that was at least 20 times larger than 14:
0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 7, 7, 11, (much larger than 14)
The employee's mistake would have the following effect:
The
The mean would
The
The IQR would
The standard deviation would
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