國(guó)開(kāi)電大 社會(huì)統(tǒng)計(jì)學(xué) 形考任務(wù)2答案

社會(huì)統(tǒng)計(jì)學(xué)形考任務(wù)2答案表1為某大學(xué)對(duì)100個(gè)學(xué)生進(jìn)行了一周的上網(wǎng)時(shí)間調(diào)查，請(qǐng)用SPSS軟件：計(jì)算學(xué)生上網(wǎng)時(shí)間的中心趨勢(shì)測(cè)量各指標(biāo)）和離散趨勢(shì)測(cè)量各指標(biāo)）。計(jì)算學(xué)生上網(wǎng)時(shí)間的標(biāo)準(zhǔn)分）及其均值和標(biāo)準(zhǔn)差。）20（30分）學(xué)生上網(wǎng)時(shí)學(xué)生上網(wǎng)時(shí)學(xué)生上網(wǎng)時(shí)學(xué)生上網(wǎng)時(shí)學(xué)生上網(wǎng)時(shí)學(xué)生上網(wǎng)時(shí)1間1321間1841間1461間881間102922224276219821038232243963248320412241044864138421582513451065218516626261046186621861071327124726671087108528224814681388219329194986920891910183010501070219010113312251137112913212103230522872159271320338531273269328141934205410742094191515351755975179515168361456107619961017837857127799720181538125824782198819203915592679179914202240136020801610018答案如下：集中趨勢(shì)各指標(biāo)：均數(shù)為15.214.010P2510P5014P7520、方差為39.515、標(biāo)準(zhǔn)差為6.286、極差為29。步驟：Analyze——DescriptiveStatistics——Frequencies——上網(wǎng)時(shí)間——（勾Variance，Std.deviation，Range）步驟Analyze——步驟Analyze——Descriptive Statistics——Descriptive——Savestandardizedvaluesasvarianles即可。步驟步驟Analyze——Descriptive Statistics——Descriptive——Options——選（mean，Std.deviation）步驟1:Analyze——SelectCases——if上網(wǎng)時(shí)間>20h2021%。步驟1:Analyze——SelectCases——if上網(wǎng)時(shí)間>20h步驟2:Analyze——Descriptive Statistics