观察工序产品质量分布状态，一是看分布中心位置，二是看（）。

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问题单项选择题

A.分布的离散程度

B.极差

C.变异系数

D.标准偏差

答案

参考答案：A

解析：一定状态下生产的产品质量是具有一定分布的，过程状态发生变化，产品质量分布也随之改变。观察产品质量分布情况，一是看分布中心位置（μ），二是看分布的离散程度（σ）。

判断题

自我控制法是一种经过人本主义心理学改善过的行为改变技术。

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问答题

[说明] 本程序的功能是给公司的员工Tom，Jack，Green增加薪水。三人的职位分别是programmer， Manager，CEO。程序由6个类组成：WorkerTest是主类，programmer，Manager，CEO三个类，薪水增加的规则是 programmer的涨幅是5%；Manager的是10%；CEO也是Manager，但是它除了有Manager的涨幅，还有1000元的bonus。接口SalaryRaise提供了一个增加薪水的方法raise()。[java程序]public class WorkerTest {public WorkerTest( ) {}public static void main( String[] args) { Programmer programmer = new Programmer( "Tom" ,3000); Manager manager = new Manager( "Jack" ,4000); CEO ceo = new CEO( "Green" ,4000); Worker [] worker = new Worker[3]; programmer, raise( ); manager, raise( ); ceo. raise( ); worker[0] = programmer; worker [1] = manager; worker[2] = ceo; for ( int i = 0 ;i ＜ worker, length; i + + ) { System. out. prinfln (" Name:" + worker [i]. getName ( ) +" \ tSalary:" + worker [i]. getSalary ());public interface SalaryRaise { void raise( ); }public class Worker {public String name;public double (1) ;public Worker( ) {}public String getName( ) {return name;}public void setName( String name) {this. name = name;}public double getSalary( ) {return salary;} public void setSalary(double salary) { this. salary = salary; }}public class Programmer extends Worker implements (2) { public Programmer( ) {} public void raise( ) { double pets=0.05; double sala = this. getSalary( ) * (1 + pers); this. setSalary (sala);public Programmer( Siring name, double salary) t this. name = name; this. salary = salary;public class Manager extends (3) implements SalaryRaise {public Manager( ) { }public Manager(String name, double salary) { this. name = name; this. salary = salary;}public void raise( ) { double pets = 0.1; double sala = this. getSalary() * (1 + pers); this. setSalary(sala);}}public class CEO extends Manager implements SalaryRaise {public CEO() {}public CEO( String name,double salary) { this. name = name; this. salary = salary; }public void raise( ) { double bonus = 1000; (4) ; double sala = this. getSalary( ); (5) ; this. setSalary(sala);}}

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