What critical value would you use for a 99.5% confidence interval based on n = 23 observations? For a one-tailed test, if the df is 11 and the computed t value is 0.85, how is the p-value represented? For a two-tailed test, if the df is 6 and t...
percent confidence interval: ## 198.2321 Inf ## sample estimates: ## mean of x ## 241.5 alpha <- 0.05 #显著性水平 t.test(x,mu=225,alternative="greater",conf.level=1-alpha) ## ## One Sample t-test ## ## data: x ## t = 0.66852, df = 15, p-value = 0.257 ## alternative ...
data: remote_work and non_remote_work t = 2.1185, df = 98,p-value= 0.03666 alternativehypothesis: true difference in means is not equal to 0 95 percent confidenceinterval: 0.04910749 1.50287363 sample estimates: mean of x mean of y 6.068807 5.292817 输出解释 Two Samplet-test:这表示进行的检...
9t =-0.93574, df =9, p-value =0.3738 10alternative hypothesis:truemeanisnotequalto4.5 1195percent confidence interval: 124.2300164.611984 13sample estimates: 14meanofx 154.421 16p=0.3738>0.05,认为所抽样水体的含氧量与多年平均值无显著差异 17 18———#独立样本T检验#——— 19#有两种情况,一种是...
题目 The 95% confidence interval (use a t-stat of 1.96 for this question only) of the estimated coefficient for the independant variable Ln(Market Value) is closest to : A. 0.011 to 0.001 B. 0.014 to -0.009 C. -0.018 to -0.036 相关知识点: 试题来源: 解析 A 略 反馈 收藏 ...
设置参数,采用One-Sample t-test for a Mean将待分析变量y送入Variable中,在单击Tests选中Interval,设置confidence level设置为90.0%: Corrtifllsncci Intoivals |powgr4na^E4S Canf Ids~c&Inler/ak Ol'kinc ^Tntervtl C Lover bound Olilpperbound Hrnf idcncB II;19t. Il ¥___ 相关知识点: 试...
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The 95% confidence interval (use a t-stat of 1.96 for this question only) of the estimated coefficient for the independant variable Ln(Market Value) is closest to:A. 0.011 to 0.001B. 0.014 to -0.009C. -0.018 to -0.036 正确答案:A 分享到: 答案解析: The confidence interval is 0.006 ±...
t=-0.589,df=18,p-value=0.5632alternative hypothesis:truedifferenceinmeansisnotequalto095percent confidence interval:-10.0471935.647193sample estimates:mean of x mean of y83.886.0 结果显示P=0.5632>0.05,不拒绝原假设,说明两者没有区别。 例4:有人测定了甲乙两地区某种饲料的含铁量(mg/kg),结果如下: ...
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