0531数学实验

《0531数学实验》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、1、某银行为使顾客感到亲切以吸引更多资金，计划对柜台的高度进行调整，银行随机选了50名顾客进行调查，测量每个顾客感觉舒适的柜台高度，下面为得到的数据：1001101369710410095120119991261131151089311610212212112211811711410611011912711912511910595117109140121122131108120115112130116119134124128115110程序如下：x=[10011013697104100951201199912611311510

2、89311610212212112211811711410611011912711912511910595117109140121122131108120115112130116119134124128115110];x=x(:);试作出其频数表、频数直方图及求其均值、中位数、方差、标准差四个统计量。1）频数表程序如下；x=[100110136971041009512011999126113115108931161021221211221181171141061101191271191251191059511710914012

3、1122131108120115112130116119134124128115110];x=x(:);tabulate(x)得出结果若下所示：ValueCountPercent100.00%200.00%300.00%400.00%500.00%600.00%700.00%800.00%900.00%1000.00%1100.00%1200.00%1300.00%1400.00%1500.00%1600.00%1700.00%1800.00%1900.00%2000.00%2100.00%2200.00%2300.00%24

4、00.00%2500.00%2600.00%2700.00%2800.00%2900.00%3000.00%3100.00%3200.00%3300.00%3400.00%3500.00%3600.00%3700.00%3800.00%3900.00%4000.00%4100.00%4200.00%4300.00%4400.00%4500.00%4600.00%4700.00%4800.00%4900.00%5000.00%5100.00%5200.00%5300.00%5400.00%5500.00%5600.00%5700

5、.00%5800.00%5900.00%6000.00%6100.00%6200.00%6300.00%6400.00%6500.00%6600.00%6700.00%6800.00%6900.00%7000.00%7100.00%7200.00%7300.00%7400.00%7500.00%7600.00%7700.00%7800.00%7900.00%8000.00%8100.00%8200.00%8300.00%8400.00%8500.00%8600.00%8700.00%8800.00%8900.00%9000.0

6、0%9100.00%9200.00%9312.00%9400.00%9524.00%9600.00%9712.00%9800.00%9912.00%10024.00%10100.00%10212.00%10300.00%10412.00%10512.00%10612.00%10700.00%10824.00%10912.00%11036.00%11100.00%11212.00%11312.00%11412.00%11536.00%11624.00%11724.00%11812.00%119510.00%12024.00%12

7、124.00%12236.00%12300.00%12412.00%12512.00%12612.00%12712.00%12812.00%12900.00%13012.00%13112.00%13200.00%13300.00%13412.00%13500.00%13612.00%13700.00%13800.00%13900.00%14012.00%2）频数直方图程序如下所示：x=[10011013697104100951201199912611311510893116102122121122118117114106110

8、11912711912511910595117109140121122131108120115112130116119134124128115110];x=x(:);hist(x)得出如下图形3）均值、中位数、方差、标准差程序及结果如下：x=[1001101369710410