Default Schemas. To resolve the names of securables that are not fully qualified names, SQL Server 2000 uses name resolution to check the schema owned by the calling database user and the schema owned by dbo. Beginning with SQL Server 2005, each user has a default schema.efault Schemas. To resolve the names of securables that are not fully qualified names, SQL Server 2000 uses name resolution to check the schema owned by the calling database user and the schema owned by dbo. Beginning with SQL Server 2005, each user has a default schema.
An IQ test score is calculated based on a norm group with an average score of 100 and a standard deviation of 15. The standard deviation is a measure of spread, in this case of IQ scores. A standard devation of 15 means 68% of the norm group has scored between 85 (100 â 15) and 115 (100 + 15).
IQ test scores have a normal distribution with a mean of 100 and a standard deviation of 15. Approximately what proportion of people have an IQ between 85 and 115? IQ test scores have a normal distribution with a mean of 100 and a standard deviation of 15.