题目

关于统计的几道问题
2.(Points:3)
Make a boxplot of the Credit River flow data for the month of April.To find a data transform which makes the boxplot more symmetric,first square the data (eg.let c4=c1**2),then take the square root of the data (eg.let c4=sqrt(c1)),and finally take the natural log of the data (eg.let c4=log(c1)) where c4 now contains the transformed April data.Which transform makes the boxplot more symmetric?
a.Square Transform
b.Square Root Transform
c.Natural Log Transform
Save Answer
3.(Points:3)
Make a boxplot of the Credit River flow data for the month of February.To find the data transform which makes the boxplot more symmetric,apply as before,the square,square root,and natural log transforms.Which transform makes the boxplot more symmetric?
a.Square Transform
b.Square Root Transform
c.Natural Log Transform
Save Answer
4.(Points:3)
Make a boxplot of the Credit River flow data for the month of August.To find the data transform which makes the boxplot more symmetric,apply as before,the square,square root,and natural log transforms.Which transform makes the boxplot more symmetric?
a.Square Transform
b.Natural Log Transform
c.Square Root Transform
Save Answer
5.(Points:3)
Apply the Natural Log transform to Credit River flow data for the month of August.Determine the mean and median for both the original and transformed August data.Are the mean and median closer together for the original data or for the transformed data?
a.Square Root Transformed Data
b.Original Data
c.Natural Log Transformed Data
d.Square Transformed Data
Save Answer
6.(Points:3)
Apply the Natural Log transform to Credit River flow data for the month of April.Compute the median for both the original and transformed April data.Transform the median of the original data and compare it's value with the median of the transformed data.Which answer below best describes the relationship between these two values?
a.Median of transformed data is much smaller.
b.Median of transformed data is much larger.
c.They are approximately equal.
d.No relationship.
能把过程讲讲最好了,没有的话关系也不大

提问时间：2021-04-01

答案

把它翻译成中文不知道对你有没有帮助.
做一个boxplot信用河道流量数据为一个月4月15日.找到一个数据转换使boxplot更对称,首先广场数据(如让c4 = c1 * * 2),然后采取的平方根数据(如让c4 = sqrt(c1)),最后以天然原木的数据(如让c4 =日志(c1)),c4现在有转变4月的数据.它将使boxplot更对称吗?
.平方变换
b.平方根变换
c.自然日志变换
拯救回答
3.(分3)
做一个boxplot信用的河道水流二月份数据.找到的资料传输使boxplot更对称,应用和以前一样,广场,平方根、天然原木转换.它将使boxplot更对称吗?
.平方变换
b.平方根变换
c.自然日志变换
拯救回答
4.(分3)
做一个boxplot信用的河道水流8月份的数据.找到的资料传输使boxplot更对称,应用和以前一样,广场,平方根、天然原木转换.它将使boxplot更对称吗?
.平方变换
b.自然日志变换
c.平方根变换
拯救回答
5.(分3)
运用自然日志转化为信用的河道水流8月份的数据.确定的意思是和中值,无论是原转化8月的数据.是和中值更紧密地联系在一起原始数据或转变数据?
.平方根数据转化
b.原始数据
c.自然日志转化数据
d.平方改变了数据
拯救回答
6.(分3)
运用自然日志转化为信用河道流量数据为一个月4月15日.计算中值,无论是原转化4月的数据.变换原始数据的平均值进行比较和它的价值与中值变换后的数据.哪一个答案低于最好描述两值之间的关系吗?
.转变的平均数据小得多.
b.转变的平均数据会更大.
c.他们是一致的.
d.没有关系.