数学英语 41 What are Statistics and Estimators?

by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,

发表于:2018-12-07 / 阅读(62) / 评论(0)

数学英语

数学英语 06 How to Calculate Mean Values

by Jason Marshall In the last article, we talked about averages and one specific way statistics can help answer questions without letting emotions interfere. But the type of average value we talked about is just one of manyuseful meanings assigned to

发表于:2019-01-02 / 阅读(102) / 评论(0)

数学英语

数学英语 07 How to Calculate Median Values

by Jason Marshall In the last article, we learned that there are several ways to calculate the average value of a sample of data. We focused on one such method, the arithmetic mean, and used it to calculate the average number of potato chips in a bag

发表于:2019-01-02 / 阅读(109) / 评论(0)

数学英语

电信专业英英词典B-2

Bit - This is a contraction of the term Binary digIT, and it is a number in base 2, which means that it can only be a 0 or a 1. Bit Error Rate - The rate of message bits that are in error (an error ra

发表于:2019-01-03 / 阅读(63) / 评论(0)

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VOA慢速英语2015 因特网速度更快、占用空间更小

AS IT IS 2015-07-07 Report: Faster Speeds, Less Space on Internet 因特网速度更快、占用空间更小 A new report says Internet speeds around the world are getting much faster. The report comes from Akamai, a business that provides cloud comp

发表于:2019-01-12 / 阅读(32) / 评论(0)

2015年VOA慢速英语(七)月

Sample Outline and Essay

Below you will find a sample outline and the essay written from that outline. OUTLINE Paragraph 1 (Introduction) I. Leading sentence: It took me eighteen years to realize what an extraordinary influence my mother has been on my life. II. Summary of m

发表于:2019-01-20 / 阅读(76) / 评论(0)

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