2013级高级生物统计试题

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1、贵州大学作物学2013级《高级生物统计学》试题姓名：成绩：1、如何评价所建立的多元线性回归方程的优劣？（10分）2、下表是某地主要土壤气候指标对特征品质直接通经分析结果表，试作分析解释（10分）项目烟碱总糖还原糖钾糖碱比香气质香气量吃味杂气评吸总分绝对值和总和总方程方程因子数20222018212423252426决定系数0.170.210.220.320.20.340.280.370.380.398特征土壤气候指标有机质3.240.01-1.780.040.220.671.20.597.754.19速效氮5.590.62-6.98-0.490.01-0

2、.35-0.94-0.4515.43-2.99速效磷-0.110.092.130.030.1-0.68-0.583.720.98速效钾-2.03-0.171.444.880.393.220.270.7813.188.784月降雨4.27-2.4-7.39-0.340.242.771.229.5428.177.918月降雨-6.34-0.86-1.12-13.856.076.4634.7-9.647月气温0.4-0.95-3.13-4.66-11.1820.32-19.528月气温9.51-4.78-1.58-1.02-2.49-7.91-9.8737.1

3、6-18.147月地温2.49-4.840.84-1.36-3.42-5.13-14.36-6.5739.01-32.358月地温6.69-2.01-1.02-2.5-2.26-4.88-6.41-8.3334.1-20.725月日照-4.243.792.513.46-2.234.489.574.612.083.4740.4427.508月相对湿度-4.970.420.95-3.051.74-3.2615.05-0.733.4233.599.57备注：互作项、平方项直接通经系数转换为单因子项符号归入相应单因子项3、下表是烟草施氮量、密度、留叶数三因素二次

4、饱和D-最优设计编码表，试以施氮量范围取3.5-9.5kg/亩，密度范围取900-1300株/亩，留叶数范围取16-24片/株列出试验方案。（10分）4、某地从现有玉米栽培品种中随机抽取15个品种，调查其生育期、倒伏率、株高、穗位高、空秆率、穗长、穗行数、百粒重、大斑病率、青枯病率、丝黑穗病率资料如下，试结合本人所学专业进行分析（20分）。15个品种的性状表现平均值kg、%、cm、g、d、品种空秆率穗长穗行百粒重生育期株高穗位倒伏率青枯病丝黑穗病大斑病11.119.61931.5126255.1113.22.80.20.30.7523.520.51739

5、126277.4126.28.50.00.90.531.418.51832.8127265.2121.04.71.00.01.042.819.71741.3127260.3120.01.90.21.00.551.319.21834.9128276.5124.24.70.50.60.561.619.52230.1128265.8118.61.70.50.50.570.819.01728.9127280.3129.01.31.50.20.581.020.41736.5127279.1123.02.61.80.20.590.620.71537.8126250.

6、5110.81.51.90.31.0102.618.51930.6126256.0121.48.31.30.81.0112.120.31735.1127256.0123.41.20.90.50.75121.718.41737.3126261.7128.44.71.20.80.5131.520.71738.1125265.2109.02.81.60.20.5141.518.51734.0125264.4115.07.71.40.01.0151.519.31735.0126242.8103.82.93.00.71.25