解析 B。本题考查平均数的计算。平均数是一组数据的总和除以数据的个数。这组数据的总和是 3+4+5+6+7=25,数据个数是 5,所以平均数是 25÷5=5。A 选项 4 小于正确平均数;C 选项 6 大于正确平均数;D 选项 7 大于正确平均数。反馈 收藏
百度试题 结果1 题目Describe how to find the mean of a set of numbers.相关知识点: 试题来源: 解析 To find the mean, add all the numbers in the set and divide by the number of elements.反馈 收藏
zero.For each statement below,tick ( ) the correct box.MustCouldCannotbe truebe truebe trueAll the numbers inthe set are zero.The sum of the numbers inthe set is zero.There are as many positive numbers郆啘啘Must Could Cannot be true be true be true All the numbers in the set are ...
百度试题 结果1 题目There is a set of numbers:(1) The mean is . (2) The median is . (3) The mode is .相关知识点: 试题来源: 解析 (1) 22 (2) 21 (3) 29反馈 收藏
Calculate the mean of a set of numbers. Write the formula for the mean mean=sum of values in data setnmean=sum of values in data setn Find the sum of all the values in the set. Write the sum in the numerator. Count the number, nn, of values in the set. Write this ...
百度试题 结果1 题目The mean of a set ofnumbers is zero.For each statement below,tick ( ) the correct box. 相关知识点: 试题来源: 解析 Makes all three correct decisions,ie Makes two correct decisions 反馈 收藏
There is a set of numbers:(1)The mean is .(2)The median is .(3)The mode is . 相关知识点: 试题来源: 解析 (1)22(2)21(3)29(1)(13+29+18+21+29)÷5=22(2)Arrange the numbers from least to greatest: 13, 18, 21, 29, 29. The median is 21.(3)29 appears twice. ...
In a group of numbers: 3, 3, 5, 7, 7, 7, 9, the ___ is 7. A. mean B. median C. mod
百度试题 结果1 题目 20. The mean of a set of 7 numbers is 3.6 and the mean of a different set of 18 numbers is 5.1. Calculate the mean of the 25 numbers. 相关知识点: 试题来源: 解析 4.68 反馈 收藏
HistogramCumulative histogramSummary The sample mean is sometimes depicted as a fulcrum placed under the Dot plot. We provide an alternative geometric visualization of the sample mean using the empirical cumulative distribution function or the cumulative histogram data....