本课配套习题挑战模式1/5
单选题
难度系数:
1.从某校九年级中随机抽取若干名学生进行体能测试,成绩记为1分,2分,3分,4分,5分. 将测量的结果制成如图所示的扇形统计图和条形统计图,根据图中提供的信息,这些学生分数的中位数是( )
A: 1 |
B: 2 |
C: 3 |
D: 4 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOmmluWFiOWIqeeUqOaJh+W9ouWbvuS7peWPiuadoeW9ouWbvuaxguWHuuaAu+S6uuaVsO+8jOi/m+iAjOaxguW+l+avj+S4quWwj+e7hOeahOS6uuaVsO+8jOeEtuWQjuagueaNruS4reS9jeaVsOeahOWumuS5ieaxguWHuui/meS6m+WtpueUn+WIhuaVsOeahOS4reS9jeaVsC4=
- 答案:Qw==
6Kej77ya5oC75Lq65pWw5Li6NsO3MTAlPTYw77yI5Lq677yJ77yMPGJyPuWImTLliIbnmoTmnIk2MMOXMjAlPTEy77yI5Lq677yJ77yMPGJyPjTliIbnmoTmnIk2MC02LTEyLTE1LTk9MTjvvIjkurrvvInvvIw8YnI+56ysMzDkuI4zMeS4quaVsOaNrumDveaYrzPliIbvvIzov5nkupvlrabnlJ/liIbmlbDnmoTkuK3kvY3mlbDmmK/vvIgzKzPvvInDtzI9My4gPGJyPuaVhemAiUMuIA==
本课配套习题挑战模式2/5
单选题
难度系数:
2.我市某中学八年级一班准备在“七一”组织参加红色旅游,班长把全班48名同学对旅游地点的意向绘制成了扇形统计图,其中“想去我市龙州县红八军纪念馆参加的学生数”的扇形圆心角为60°,则下列说法中正确的是( )
A: 想去龙州县红八军纪念馆参加的学生占全班学生的60% |
B: 想去龙州县红八军纪念馆参观的学生有12人 |
C: 想去龙州县红八军纪念馆参观的学生肯定最多 |
D: 想去龙州县红八军纪念馆参观的学生占全班学生的 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNrumimOaEj+KAnOaDs+WOu+aIkeW4gum+meW3nuWOv+e6ouWFq+WGm+e6quW/temmhuWPguWKoOeahOWtpueUn+aVsOKAneeahOaJh+W9ouWchuW/g+inkuS4ujYwwrDvvIzlj6/msYLlh7rmg7Pljrvpvpnlt57ljr/nuqLlhavlhpvnuqrlv7Xppoblj4Lop4LnmoTlrabnlJ/kurrmlbDvvIzljrvpvpnlt57ljr/nuqLlhavlhpvnuqrlv7Xppoblj4Lop4LnmoTlrabnlJ/ljaDlhajnj63lrabnlJ/nmoTliIbmlbDvvIzlho3kvp3mrKHliKTmlq3ljbPlj68u
- 答案:RA==
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
本课配套习题挑战模式3/5
单选题
难度系数:
3.如图,反映的是某中学七(3)班学生外出乘车、步行、骑车的人数直方图(部分)和扇形分布图,则下列说法不正确的是( )
A: 七(3)班外出步行的有8人 |
B: 七(3)班外出的共有40人 |
C: 在扇形统计图中,步行人数所占的圆心角度数为82° |
D: 若该校七年级外出的学生共有500人,那么估计全年级外出骑车的约150人 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWFiOaxguWHuuS4g++8iDPvvInnj63nmoTmgLvkurrmlbDvvIzlho3msYLlh7rmraXooYznmoTkurrmlbDvvIzov5vogIzmsYLlh7rmraXooYzkurrmlbDmiYDljaDnmoTlnIblv4Pop5LluqbmlbDvvIzmnIDlkI7ljbPlj6/kvZzlh7rliKTmlq0u
- 答案:Qw==
6Kej77ya55Sx55u05pa55Zu+55+l5LmY6L2m55qE5Lq65pWw5pivMjDkurrvvIzljaDmgLvkurrmlbDnmoQ1MCXvvIzmiYDku6XkuIPvvIgz77yJ54+t5pyJMjDDtzUwJT00MOS6uu+8jOaJgOS7peatpeihjOeahOaciTQww5cyMCU9OO+8jOatpeihjOS6uuaVsOaJgOWNoOeahOWchuW/g+inkuW6puaVsOS4ujM2MMKww5cyMCU9NzLCsO+8jOaVheS4jeato+ehrueahOaYr0PvvIzmlYXpgIlDLiA=
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列四个统计图中,用来表示不同品种的奶牛的平均产奶量最为合适的是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:DQrmraTpopjmoLnmja7miYflvaLnu5/orqHlm77jgIHmipjnur/nu5/orqHlm77jgIHmnaHlvaLnu5/orqHlm77lkIToh6rnmoTnibnngrnmnaXliKTmlq0u
- 提示2:5omH5b2i57uf6K6h5Zu+6KGo56S655qE5piv6YOo5YiG5Zyo5oC75L2T5Lit5omA5Y2g55qE55m+5YiG5q+U77yM5L2G5LiA6Iis5LiN6IO955u05o6l5LuO5Zu+5Lit5b6X5Yiw5YW35L2T55qE5pWw5o2u77yb
- 提示3:5oqY57q/57uf6K6h5Zu+6KGo56S655qE5piv5LqL54mp55qE5Y+Y5YyW5oOF5Ya177yb
- 提示4:5p2h5b2i57uf6K6h5Zu+6IO95riF5qWa5Zyw6KGo56S65Ye65q+P5Liq6aG555uu55qE5YW35L2T5pWw55uuLg==
- 答案:RA==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.如甲、乙两图所示,恩施州统计局对2009年恩施州各县市的固定资产投资情况进行了统计,并绘成了以下图表,请根据相关信息解答下列问题:2009年恩施州各县市的固定资产投资情况表:(单位:亿元)
下列结论不正确的是( )
单位 | 恩施市 | 利川县 | 建始县 | 巴东县 | 宜恩县 | 咸丰县 | 来凤县 | 鹤峰县 | 州直 |
投资额 | 60 | 28 | 24 | 23 | 14 | 16 | 15 | 5 |
A: 2009年恩施州固定资产投资总额为200亿元 |
B: 2009年恩施州各单位固定资产投资额的中位数是16亿元 |
C: 2009年来凤县固定资产投资额为15亿元 |
D: 2009年固定资产投资扇形统计图中表示恩施市的扇形的圆心角为110° |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWIqeeUqOW7uuWni+WOv+W+l+aKlei1hOmincO35omA5Y2g55m+5YiG5q+U5Y+v5b6X5oC75oqV6LWE6aKd77yb5Yip55So5oC75oqV6LWE6aKd5YeP5Y675ZCE5Liq5Y6/5biC55qE5oqV6LWE6aKd5Y+v5b6X5p2l5Yek5Y6/5Zu65a6a6LWE5Lqn5oqV6LWE6aKd77yM5YaN5qC55o2u5Lit5L2N5pWw5a6a5LmJ5Y+v5b6XMjAwOeW5tOaBqeaWveW3nuWQhOWNleS9jeWbuuWumui1hOS6p+aKlei1hOmineeahOS4reS9jeaVsO+8m+WIqeeUqDM2MMKww5c8aW1nIHdpZHRoPTkzIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzRCL0U4L3JCQUNFMU4xaTRLQm80MmhBQUFFTDgwMS1tRTI1Ny5wbmciPuWPr+W+l+WchuW/g+inku+8jOi/m+iAjOW+l+WIsOetlOahiC4=
- 答案:RA==
6Kej77yaQeOAgTI0w7cxMiU9MjAw77yI5Lq/5YWD77yJ77yM5pWF5q2k6YCJ6aG55LiN5ZCI6aKY5oSP77ybPGJyPkLjgIHmnaXlh6TmipXotYTpop3vvJoyMDAtNjAtMjgtMjUtMjMtMTQtMTYtMTUtNT0xNe+8iOS6v+WFg++8ie+8jDxicj7miormiYDmnInnmoTmlbDmja7ku47lsI/liLDlpKfmjpLliJfvvJo2MO+8jDI477yMMjTvvIwyM++8jDE277yMMTXvvIwxNe+8jDE077yMNe+8jOS9jee9ruWkhOS6juS4remXtOeahOaVsOaYrzE277yM5pWF5q2k6YCJ6aG55LiN5ZCI6aKY5oSP77ybPGJyPkPjgIHmnaXlh6TmipXotYTpop3vvJoyMDAtNjAtMjgtMjUtMjMtMTQtMTYtMTUtNT0xNe+8iOS6v+WFg++8ie+8jOaVheatpOmAiemhueS4jeWQiOmimOaEj++8mzxicj5E44CBMzYwwrDDlzxpbWcgd2lkdGg9MTkgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMEYvREYvckJBQ0ZGTjFpNExReDVKMEFBQUJjSEEyMDRVNjE0LnBuZyI+PTEwOMKw77yM5pWF5q2k6YCJ6aG556ym5ZCI6aKY5oSP77ybPGJyPuaVhemAie+8mkQuIA==