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defon
3 years ago
6

If we collect experimental data on alcohol consumption from the same 100 individuals before and then after a course on the dange

rs of over drinking, we are using a * 1 point A) randomized block design. B) post-test only design. C) matched pairs design. D) randomized comparative design E) completely randomized design.
Mathematics
1 answer:
Aleks [24]3 years ago
5 0

Answer: D) randomized comparative design

Step-by-step explanation:

Randomized comparative design is an experiment which uses comparison of two or more treatments, also known as an experiment designed to show differences between two samples or populations which have being exposed to two different conditions or treatments are compared to each other. In the question above data collected before was compared to data gotten after the dangers of alcohol.

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Eceived at each shelter every month. This box-and-whisker plot shows the results. 400 600 800 1,000 Monthly food donations What
Tom [10]

Answer:

The median of the given data is 700.

Step-by-step explanation:

We are given the following data in the question:

400, 600, 800, 1000

Formula:

Median:\\\text{If n is odd, then}\\\\Median = \displaystyle\frac{n+1}{2}th ~term \\\\\text{If n is even, then}\\\\Median = \displaystyle\frac{\frac{n}{2}th~term + (\frac{n}{2}+1)th~term}{2}

Median =

\dfrac{2^{nd}+3^{rd}}{2} = \dfrac{600+800}{2} = 700

Thus, the median of the given data is 700.

4 0
3 years ago
If one eigth pound of uncooked rice makes one serving how many servings are in a fifteen pound bag of rice
insens350 [35]
120 Servings, because 1 / 8 gets the decimal of one serving (0.125),
Then 15 / 0.125 = 120.

Hope this helps.
3 0
3 years ago
An English teacher needs to pick 4 books to put on his reading list for the next school year. He has narrowed down his choices t
Marina86 [1]

Answer:

A) 3 ways

B) sorry don't know.

Step-by-step explanation:

2 P and 2 N

3P and 1 N

4P

So 3 ways.

7 0
3 years ago
An 18% discount on a watch saved a shopper $72. Find the price of the watch before the discount
Mamont248 [21]
1% = $4

$4 × 100 = $400

$4 × 18 = $72

Your answer is $400
5 0
3 years ago
Mrs. Alberts has two seventh grade math classes this year. They took their final exam, and Mrs. Alberts just finished grading th
goldfiish [28.3K]

Answer:

these are true = 1, 3, 5

Step-by-step explanation:

overall class a scored better than class b

they're more students in class a compared to class b

7 0
3 years ago
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