问题:试述统计假设测验的步骤。p-值与显著水平α比较,作出接受或否定H0假设的结论。
Wednesday, August 2, 2023
Friday, April 12, 2024
Sunday, January 21, 2024
Thursday, June 15, 2023
Thursday, September 14, 2023
Thursday, February 15, 2024
问题:两因素的裂区设计中,这两个因素是同等重要的,不存在主次之分。
Monday, September 11, 2023
问题:测定某总体的平均数是否显著大于某一定值时,用()。A、两尾测验B、左尾测验C、右尾测验D、无法确定
Saturday, December 10, 2022
Saturday, November 2, 2024
问题:因素内不同水平使得试验指标如作物性状、特性发生的变化,称为:()。
Thursday, April 13, 2023
Thursday, September 15, 2022
问题:资源的保存包括种植保存、种子保存和()等,后者是在液氮下保存。A、激素保存B、超低温保存C、低温保存D、石蜡保存
Sunday, July 28, 2024
问题:以一种树种为例,概述提高其产量和品质的方法与技术?(苹果)
Thursday, February 15, 2024
问题:用样本直线回归方程,由X预测Y时,为什么不能任意外推?
Monday, September 12, 2022
Saturday, February 10, 2024
Friday, April 12, 2024
Monday, September 11, 2023
Monday, December 25, 2023
Thursday, June 15, 2023
Saturday, December 10, 2022