医学统计学
相似问题和答案
第1题：
11岁儿童的身高与体重的两组数据的变异程度大小可用
A.mean
B.vanance
C.percentile
D.standard deviation
E.coefficient of variation
第2题：
[A] variation
[B] balance
[C] frequency
[D] stability
28．C 【精析】variation变化；balance平衡；frequency频率；stability稳定。这里指的是潮汐电站只能规划建于潮汐发生频率高的河流入口处，故选C。
第3题：
For a given characteristic in a construction process, the standard deviation associated with production variation is 0.8", and the standard deviation associated with measurement variation is 0.6". The total standard deviation for this characteristic is:
A . 1.4"
B . 1.2".
C . 1.0"
D . 0.8"
E . 0.2"
第4题：
If a magnetic compass is not affected by any magnetic field other than the Earth’s which statement is TRUE?______.
A.Compass error and variation are equal
B.Compass north will be true north
C.Variation will equal deviation
D.There will be no compass error
若磁罗经不受除了地磁意外的任何磁场的影响，哪个叙述是对的？罗经差和磁差一样的。
第5题：
Compass error is equal to the ______.
A.deviation minus variation
B.variation plus compass course
C.combined variation and deviation
D.difference between true and magnetic heading
罗经差等于磁差和自差的结合。
第6题：
根据以下答案，回答题
A．mean
B．variance
C．percentile
D．stangard deviation
E．coefficient variation
11岁儿童的身高与体重的两组数据的变异程度大小可用（ ）。
查看材料
此题暂无解析
第7题：
The compass rose on a nautical chart indicates both variation and ______.
A.deviation
B.annual rate of variation change
C.precession
D.compass error
第8题：
143 For a given characteristic in a construction process, the standard deviation associated with production variation is 0.8", and the standard deviation associated with measurement variation is 0.6". The total standard deviation for this characteristic is:
A. 1.4"
B. 1.2".
C. 1.0"
D. 0.8"
E. 0.2"
第9题：
How is variation indicated on a small-scale nautical chart?______.
A.Magnetic compass table
B.Magnetic meridians
C.Isogonic lines
D.Variation is not indicated on small-scale nautical charts
在小比例尺海图上磁差如何表示？等磁差线
第10题：