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2 answers:
The correct answer to this equation is X-inter=(-3.15,0) and Y-inter=(0,6.3) and heres why:
To solve this problem we must isolate the y-variable and then graph. Here are the steps to do that
Now add 6x to both sides to get:
Next we divide both sides by the 3 next to the "y" to get:
Then you can simply graph this new equation to find your points. There is also another way to do it without graphing but it will take a lot more explaining and this way is faster.
If you find out that my answer is wrong, please tell me and I promise I will come back and rework my math. Thanks :)
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Answer:
The appropriate hypotheses for performing a significance test is:
Step-by-step explanation:
Last year, the mean score on the state’s math test was 51. The administrators have trained the teachers in a new method of teaching math hoping to raise the scores on this standardized test this year.
At the null hypothesis, we test if the mean score this year is the same as last year, that is:
At the alternate hypothesis, we test if the mean score improved this year from last, that is:
The appropriate hypotheses for performing a significance test is: