We are interested in athletes that are training for the long jump. we run the following regression. ulifthrsrunhrsjumplong+++=a. we want to determine if an extra hour of weight training and an extra hour of running improve a person’s long jump by the same amount. write out the null and the alternative hypotheses for this test. b. reformulate the regression above in terms of a new parameter θ so that you can directly test the null hypothesis above using the regression output. c. what new variable do you have to create and which parameter would you test to assess the null hypothesis in part a?

answer: 2x + 2 − 2 = 10 − 2; subtraction property of equality

step-by-step explanation:

a

step-by-step explanation:

when a number is between two straight lines it means the absolute value.

to find absolute value you need to know how many numbers is that number away from 0.

when finding absolute value the number will always come out positive

so absolute value of -3 is 3

absolute value of 3/2 is 3/2

absolute value of -2 is 2

absolute value of 3.5 is 3.5

absolute value of -1 is 1

now put these numbers in order:

a)   |-1|, |3/2|, |-2|, |-3|, |3.5|

statement #3: proof- ang is congruent to ang ecd : angles are congruent.  

step-by-step explanation:

1: the missing angles in statement #3  

a.) acb  

reason- the reason why the answer is acb is because angle ecd and angle acb are both the same size *that's what the word congruent means this is really simple.  

2: the missing word in reason #3  

c.) vertical  

reason- the reason why the answer is vertical is because the angles in that diagram on figure 2 is slanted, which is vertical, and the e and a both lay on vertical lines. along with the other's, but e and a are the 2 main points you want to focus on. and c is kind of like your starting point, because c is for both angles, not just one.  

i hope that was and understanding.