對(duì)2993戶(hù)居民家庭的住房面積進(jìn)行調(diào)查并進(jìn)行檢驗(yàn),結(jié)果如下表。
能否推斷所有家庭的平均面積是60平方米?您可能感興趣的試卷
你可能感興趣的試題
A.中位數(shù)檢驗(yàn)
B.曼-惠特尼U檢驗(yàn)
C.K-S檢驗(yàn)
D.Kruskal-Wallis檢驗(yàn)
E.Jonckheere-Terpstra檢驗(yàn)
A.發(fā)病率
B.性別
C.年齡段
D.居住地區(qū)
E.工作環(huán)境
A.單樣本t檢驗(yàn)是對(duì)樣本來(lái)自的總體的均值檢驗(yàn)
B.單樣本t檢驗(yàn)中要求數(shù)據(jù)只包含一個(gè)個(gè)案
C.單樣本t檢驗(yàn)要求樣本來(lái)自的總體服從或近似服從正態(tài)分布
D.單樣本t檢驗(yàn)中原假設(shè)是總體均值與檢驗(yàn)值存在顯著差異
E.單樣本t檢驗(yàn)可以對(duì)總體比例進(jìn)行檢驗(yàn)
A.反映集中趨勢(shì)的描述統(tǒng)計(jì)量
B.反映總規(guī)??偹降拿枋鼋y(tǒng)計(jì)量
C.反映離散程度的描述統(tǒng)計(jì)量
D.反映分布形態(tài)的描述統(tǒng)計(jì)量
最新試題
One advantage of a stem and leaf plot over a frequency distribution is that ().
A student achieves an 82 on the first test in a statistics course. From this, she assumes that her average at the end of the semester (after other tests) will be about 82. This is an example of ().
什么是季節(jié)變動(dòng)?研究它的意義何在?如何測(cè)定季節(jié)變動(dòng)?
A cumulative frequency distribution would provide().
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
最能反映離散程度的指標(biāo)是()
要了解某地區(qū)全部大學(xué)生的就業(yè)情況,那么()
某班的學(xué)習(xí)按考試成績(jī)分為60分以下,60-70,70-80,80-90,90-100,這種分組()
品合格率指標(biāo)是()
Simon Arnett, Director of Human Resources, is exploring the causes of employee absenteeism at Buderim Bottling during the last operating year (1 January 2005 to 31 December 2005). The average number of absences per employee, calculated from the personnel data of all employees, is a ().