The average (arithmetic mean) of 100 measurements is 23, and the

您还没有登录，登录以后才可以查看答疑和进行提问。

试题详情

The average (arithmetic mean) of 100 measurements is 23, and the average of 50 additional measurements is 27.

Quantity A:The average of the 150 measurements

Quantity B:25

A、Quantity A is greater.
B、Quantity B is greater.
C、The two quantities are equal.
D、The relationship cannot be determined from the information given.

答案：B

专业教师答疑

最新

提问

还没有人问到这里。

问个问题

答疑小程序

最热提问

Graphic Analysis
Approximately how many million people under 18 liv......
Quantitative Comparison
$${1}\lt{a}\lt{b}\lt{2}$$Quantity AabQuantity Ba+b......
Text Completion
The medical professor’s thesis—hardly new, but......
Sentence Equivalence
Although there is an incredible diversity of micro......
Sentence Equivalence
Rebecca West’s book Black Lamb and Grey Falcon i......
Sentence Equivalence
They applaud the musicals of the 1930s and 1940s, ......
Text Completion
Burke is often on slippery ground when it comes to......
Reading Comprehension
Which of the following, if true of doctors who mak......

试题详情

专业教师答疑 最新 提问

问个问题

答疑小程序

最热提问

专业教师答疑

最新

提问