王靜龍非參數(shù)統(tǒng)計分析課后計算題參考答案

1、王靜龍非參數(shù)統(tǒng)計分析課后習題計算題參考答案習題一1. One Sample t-test for a Mean Sample Statistics for x N Mean Std. Dev. Std. Error - 26 1.38 8.20 1.61 Hypothesis Test Null hypothesis: Mean of x = 0 Alternative: Mean of x = 0 t Statistic Df Prob > t - 0.861 25 0.3976 95 % Confidence Interval for the Mean Lower Limit: -1

2、.93 Upper Limit: 4.70 則接受原假設(shè) 認為一樣 習題二1.描述性統(tǒng)計乘機服務機上服務機場服務三者平均平均79.78平均54.46平均58.48平均64.24標準誤差1.174661045標準誤差2.085559681標準誤差2.262605標準誤差1.016376中位數(shù)82中位數(shù)55.5中位數(shù)58.5中位數(shù)64.5眾數(shù)72眾數(shù)60眾數(shù)52眾數(shù)65標準差8.306107908標準差14.74713393標準差15.99903標準差7.186861方差68.99142857方差217.4779592方差255.969方差51.65098峰度-1.059134152峰度0.083

3、146927峰度0.41167峰度-0.04371偏度-0.164016852偏度0.264117712偏度-0.26232偏度-0.08186區(qū)域32區(qū)域65區(qū)域76區(qū)域34.66667最小值63最小值25最小值16最小值44最大值95最大值90最大值92最大值78.66667求和3989求和2723求和2924求和3212觀測數(shù)50觀測數(shù)50觀測數(shù)50觀測數(shù)50置信度(95.0%)2.360569749置信度(95.0%)4.191089091置信度(95.0%)4.546874置信度(95.0%)2.042483習題三1.1另外：在excel2010中有公式 BINOM.INV(n,p,

4、a) 返回一個數(shù)值，它使得累計二項式分布的函數(shù)值大于或等于臨界值a的最小整數(shù)以上兩種都拒絕原假設(shè)，即中位數(shù)低于65001.22.則接受原假設(shè)，即房價中位數(shù)是65003.1則拒絕原假設(shè)，即相信孩子會過得更好的人多3.2P為認為生活更好的成年人的比例，則4.因為00.05則拒絕原假設(shè)習題四1.車輛添加劑1添加劑2差值符號差的絕對值絕對值的秩122.3221.251.07+1.076225.7623.971.79+1.798324.2324.77-0.54-0.543421.3519.262.09+2.0910523.4323.120.31+0.311626.97260.97+0.974718.36

5、19.4-1.04-1.045820.7517.183.57+3.5712924.0722.231.84+1.8491026.4323.353.08+3.08111125.4124.980.43+0.4321227.2225.91.32+1.3272被調(diào)查者x符號絕對值一個隨機秩平均秩110+0004-1-112.561+122.5211+132.524-1-142.512+2575-2-26782+277152+287252+297143+31010.519-3-31110.524+4121474+41314124+41414174+41514224+4161495+51717.5105+5

6、1817.5188+819192611+1120203-13-13212113-14-1422221615+1523232016+16242423-23-2325253零售店豪華車普通車差值差值-100絕對值秩139027012020205239028011010102345035010000438030080-20205540030010000639034050-50508735029060-40407840032080-20205937028090-101021043032011010102（1）（2）零售店豪華車普通車差值Walsh值i=1i=2i=3i=4i=5i=6i=7i=8i=9

7、i=101390270120120239028011011511034503501001101051004380300801009590805400300100110105100901006390340508580756575507350290609085807080556084003208010095908090657080937028090105100958595707585901043032011011511010595105808595100110Walsh平均由小到大排列：5055606565707070757575808080808080808585858585 909090909

8、090959595959595100100100100100100100105105105105 105110110110110110115115120N=55 則對稱中心為因為c不是整數(shù)，則為70與75之間，即為72.5習題五1.1228002520026550265502690027350285002895029900301503045030450306503080031000313003135031350318003205032250323503275032900332503355033700339503410034800350503520035500356003570035900361

9、003630036700372503740037750380503820038200388003920039700404004100050個和在一起的中位數(shù)是（33250+33550）/2=33400工資<33400元工資>33400元合計男職工N11=7N12=17N1+=24女職工N21=18N22=8N2+=26合計N+1=25N+2=25N=501.227.指數(shù)1116(11月)1120(12月)11251125113011471149114911511152秩12345678910指數(shù)1155116111661169117111761182118411841194秩111

10、21314151617181920所以，區(qū)間為：-29,17 即0在區(qū)間內(nèi)則認為11月和12月的波動相同8機器（y）平均秩myay5.053344135.1665.5342.255.55.198825685.21210.5182.2510.55.221514100145.251716.556.2516.55.27191925195.282121.56.2521.55.282221.56.2521.55.282321.56.2521.55.2924240245.32526.56.2521.55.32626.56.2521.55.32726.56.2521.55.32826.56.2521.55.333029.530.2518.55.34323264165.34333264