The projected number of newly reported crime cases in the New York county in 2011, found using linear regression is 703 newly reported crime cases
<h3>What is a linear regression?</h3>
A linear regression models the relationship between a scalar quantity and other explanatory variables, using a linear approach.
The linear regression equation is presented as follows;
y = a + b•x
Where;
=(0+1+2+3)/4 = 1.5
=(994+946+928+880)/4 = 937
=(0+1+2+3) = 6
=(994+946+928+880) = 3748
n = 4
Using the statistics function of a graphing calculator, under Scatter plot, plot type, we have;
y = 991 - 36•x
Which gives;
b = -36
a = 991
From the given parameters, we have;
<em>x </em>= The number of years since 2003
y = The number of newly reported crime cases
Required;
The number of projected new cases in 2011
Solution;
In 2011, <em>x </em>= 2011 - 2003 = 8
Which gives;
y = 991 - 36×8 = 703
The number of newly reported crime cases in 2011 is 703
Learn more about linear regression equation here:
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Answer:
See explanation
Step-by-step explanation:
If the mystery number rounds to 700, then it has 3 digits before decimal points and two digits after decimal point.
Hence, the mystery number is
The digit in the tenth place is double the digit in the tens place, so
If b = 1, then d = 2
If b = 2, then d = 4
If b = 3, then d = 6
If b = 4, then d = 8
The difference between the digit in the hundreds place and the ones place is 3, so
The first digit can be only 7, because b < 5 and the number rounds to 700. So
If a = 7, then c = 4
All possible answers:
714.2e
724.4e
734.6e
744.8e,
where e is an arbitrary digit from 0 to 9.
There are 40 possible numbers which match the situation.
Step-by-step explanation:
9i√2
-18
so therefore the answer is 9i√2
The answer is the fourth option - <span>f(1) = 4 and f(n) = f(n − 1) + 2; n > 1
</span>
The first term is 4, So, f(1) = 4
The difference between two consecutive integer = 2, so, n = (n-1) + 2
It would be Option D) f(1) = 4 and f(n) = f(n − 1) + 2; n > 1
Hope this helps!
