在嵌入式SQL中,为了能区分SQL语句于宿主语言语句,所有SQL语句都必须加前缀()。
A.SQL
B.EXEC
C.EXEC SQL
D.<EXEC>SQL
第3题
第4题
A、the sample variance
B、the sample standard deviation
C、the range
D、the mean
第5题
A、the sample mean
B、the sample variance
C、the coefficient of variation
D、the mean absolute deviation
第6题
A、median and interquartile range
B、mean with standard deviation
C、standard error of the mean
D、two-sided tests
第7题
第8题
A、is never larger than the standard deviation of the population.
B、decreases as the sample size increases.
C、measures the variability of the mean from sample to sample.
D、All of the above.
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!