Phần 3 trong series grammar của Task 1

Từ ngữ dùng phân tích số liệu

Using numbers, fractions, or percentages:

The price of X went up by 600, from $1200 to $1800. (numbers)
The price of X went up by half, from $1200 to $1800. (fractions)
The price of X went up 50%, from $1200 to $1800. (percentages)

 

Using ‘ double’ , ‘treble’, ‘-fold’, and times:
The number of unemployed people doubled between 2005 and 2009.

 

'twice as…as/compared to', 'three times as…as/compared to'

There were twice as many unemployed people in 2009 as in 2005.
Twice as many people were unemployed in 2009 compared to 2005.

 

'twofold', 'threefold' (adjective or adverb)
There was a twofold increase in the number of unemployed people between 2005 and 2009. (adjective with the noun 'increase')
The number of unemployed people increased twofold between 2005 and 2009. (adverb with the verb 'increase')

 

Số thập phân (Fractions)

2016-07-16_134513Between 1992 and 1994, the figure fell by one-fifth.
Between 1994 and 1996, the figure went down by a half.
The figure in 1998 was one-tenth the 1992 total.

 

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It is evident that …
It is noticeable that …
We can see from the data that …
From the pie chart it can be seen that …
It is worth noting that …
The pattern is a complete reverse when it comes to …
For … the pattern is reversed.
… clearly appeals more to …
on a weekly/monthly/… basis
During the same period, …
 … at a slower/faster pace
 to show in percentage terms …

 

Cách sử dụng "compare"

To compare with/ To compare to:

The graph comparesthe number of males and females…

10% of males were unemployed, compared to only 8% of females.

The unemployment rate was high in 2008 compared withprevious years.

By/ In comparision with: 

The unemployment rate was high in 2008 in comparison with…

By/in comparison, the unemployment rate in 2008 increased to…

Comparable/ comparatively: 

Figures for the USA were comparable with/tothose for the UK.

The figure for females was comparatively low, at only 8%.

 

Grammar cho number, amount, proportion, figure

number:
Use "the number of+ plural noun" e.g. the number of visitors.
Do not use it to describe percentages or uncountable nouns e.g. money.

amount:
Use "the amount of+ uncountable noun" e.g. the amount of money.
Do not use it with countable nouns e.g. the amount of person/people.

proportion:
Only use this to describe percentages (not numbers).
Use "the proportion of+ plural noun" e.g. the proportion of people.

figure:
Use "the figure for+ plural noun" e.g. the figure for visitors to the UK.
Use it with uncountable nouns e.g. the figure for unemployment.
Use it with countries e.g. the figure for Canada.
Use it with percentages e.g. the figure (for…) rose to 10%.

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