A little jj from US

2002-12-06 20:45:53

My scores is very low......

I think i am not qualified to say something here.

Becaue I got lots of information from the website,I think it's better to contribute something...

AA:In the first year that Montoya has served as mayor of the city of San Perdito,the population has decreased and the unemployment rate has increased............

AI:AS technologies abd the demand for certain services change,many workers will lose their jobs.The responsibility for those people to adjust to such change should belong to the individual worker,not to government or to business.

Math:I did not see any jj in my exam....

What my remember as follows:

1.n is an integer,n is not prime number,and n must be
a.the total of three prime numbers
b.the difference between two even numbers
c.the difference between one even number and one odd number
d.the product of...
e.the product of...
I choose b.
2.DS
Give us the formula of standard deviation S=....
a list of numbers of 1,3,5,7,9,11,13,15,17,19
remove two numbers from the list,to calculate the standard deviation=?
a)the median of the eight numbers is 10
b)the mean of the eight numbers is the same as the original mean
I choose e

If someone find there is any problem on my answer,please correct it.

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