dsreilly826
05.12.2020 •
Mathematics
A researcher collected data on the cholesterol level, C, and the age, A, of 24 people selected at random. Using the data, the researcher calculated the least-squares regression line to be C-hat=167+2.4A and the standard error of the slope to be 0.85. If the conditions for inference are met, which of the following is closest to the value of the test statistic to test the hypotheses H0:β=0 vs Ha:β≠0 ?
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Ответ:
Just gonna take the second slot..
Step-by-step explanation:
Just gonna take the second slot..
Just gonna take the second slot..
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Ответ:
C.
Step-by-step explanation:
We are given that a system of equation
We have to find the system of equation which is equivalent to given system of equation.
Equivalent system of equation is that system of equations in which solution does not change .
If a constant multiplied on both sides of an equation then solution of equation remain same .Hence, system of equation are equivalent.
If we add both equation and take any one equation then the solution does not change.
If we multiply by 5 on both sides of equation first then we get
Now, new system of equation is given by
Hence, option C is true.