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lions [1.4K]
3 years ago
8

At city community college, every freshman must take English 101. The English department wants to know whether students who take

this class and their second semester get better grades than students who take the class in the first semester which principle of experimental design can the English department best used to include a variety of students in both the first and second semester treatment groups of the study
Mathematics
1 answer:
vesna_86 [32]3 years ago
8 0

Answer: randomization

Step-by-step explanation: apex

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USIU
topjm [15]

Answer:

Test Cross , 50% to 50%

Step-by-step explanation:

just took the test yw

8 0
3 years ago
Read 2 more answers
Exterior of scalene triangle sides are 25 and 15 and x. solve x.
Lyrx [107]

-- All three sides of a scalene triangle have different lengths.
So 'x' can't be 15 and it can't be 25.

-- 'x' must be 10 or more in order to reach between the ends
of the 25 and the 15.

-- 'x' must be less than 40 in order for the 25 and the 15 to reach
between its ends. 

So the value of 'x' must satisfy these conditions:

<em>0 < x < 15</em>
<em>15 < x < 25</em>
<em>25 < x < 40</em>

Any number that satisfies these conditions is an acceptable value for 'x'.


5 0
3 years ago
Read 2 more answers
A compound experiment consists of drawing at random twice without replacing from a jar with 3 red, 3 white, and 2 black marbles.
Eddi Din [679]
The solution to your problem about the probability <span>of getting first a red and then a black marble is as follows:

</span><span>(3 red / 8 total) * (2 black / 7 total) = 3/28 
</span>
Therefore, the probability of getting first a red and then a black marble is 3/28.

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
8 0
3 years ago
Two students in your class, Tucker and Karly, are disputing a function. Tucker says that for the function, between x = –3 and x
Effectus [21]
The difference between Tucker and Karly's take is that Tucker's solution is analytical while Karly's is graphical. But both are correct either way. 

For Tucker's solution, let's say at x=-3 the value for y is 4, and at x=3, the value of y is still 4, then the average rate of change or slope is 0. Note that the slope of the curve is Δy/Δx. Since there is no change for Δy, the slope is zero.

For Karly's solution, even if the curve travels high or low but would have the same elevation of x=-3 and x=3, the average rate of change is still zero. It is actually just same with Tucker's but Karly just verbalizes her solution that was observed visually.
7 0
3 years ago
Which of the following is not a right triangle?
sergeinik [125]
8 15 17 i think no clue really
8 0
3 years ago
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