Need math help!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

frutty [35]3 years ago

5 0

Well we need to follow PEMDAS. Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. The "X" is in the Exponents place. Therefore we would take 10 X 5.5 first. Which equals 55. Then you have to take it times 1. So the answer to the first one is 55. Then with the next one, you do the same steps, except at the end, your exponent is 2. So you would take 55 times 55 and get 3,025. So the answer to your second one is 3,025. Hope this is correct and hope this helps!

-Twix

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In order to test for the significance of a regression model involving 5 independent variables and 123 observations, the numerato

allochka39001 [22]

Answer: The numerator and denominator degrees of freedom (respectively) for the critical value of F are 4 and 118 .

Step-by-step explanation:

We know that , for critical value of F, degrees of freedom for numerator = k-1

and for denominator = n-k, where n= Total observations and k = number of independent variables.

Here, Numbers of independent variables(k) = 5

Total observations (n)= 123

So, Degrees of freedom for numerator = 5-1=4

Degrees of freedom for denominator =123-5= 118

Hence, the numerator and denominator degrees of freedom (respectively) for the critical value of F are 4 and 118 .