大学MOOC IntroductionToStatitics(温州大学)1462662212 最新慕课完整章节测试答案
Chapter2OrganizingandVisualizingData
onlineweeklyquiz(weekthree)
1、单选题：
A survey was conducted to determine how people rated the quality of programming available on television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality). The stem-and-leaf display of the data is shown below. What percentage of the respondents rated overall television quality with a rating of 80 or above?
选项：
A: 0
B: 4
C: 96
D: 100
答案: 【 4】
2、单选题：
A survey was conducted to determine how people rated the quality of programming available on television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality). The stem-and-leaf display of the data is shown below. What percentage of the respondents rated overall television quality with a rating of 50 or below? Stem Leaves 3 2 3 4 0 3 4 7 8 9 9 9 5 0 1 1 2 3 4 5 6 1 2 5 6 6 &nb