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amid [387]
3 years ago
7

A study was made to find out if those who drank tea consumed more water than those who did not. The study concluded that those w

ho drank tea consumed 0.024 liters less than those who did not. Are the results practically significant?
Mathematics
2 answers:
kirill [66]3 years ago
5 0
I would say that the results of the study are not significant. This is because the difference of those who drink tea and did not drink tea is small and more or less will have the same values at some points of the research. Having a difference of  0.024, cannot really say anything or differentiate the two.
Varvara68 [4.7K]3 years ago
4 0

Answer:

No, because the difference has no real affect on people

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Find the mean absolute deviation of the set of data. 2, 3, 5, 7, 9
11111nata11111 [884]

Answer:

2.4

Step-by-step explanation:

To find the mean absolute deviation, find how much each value is away from the mean, and divide it by the number of numbers you have. In this case, the mean is 5, and the deviation of each number is 4, 2, 0, 2, and 4. Add these up and you get 12. Divide 12 by the number of numbers which you have, which is 5, to get 2.4.

3 0
3 years ago
Hardy is packing his book collection into a box. Each book measures 4inches by 6 inches by 1 inch. The box he uses measures 24 i
netineya [11]

Answer:

<u>1. 192 books.  </u>

<u>2. 96 books.  </u>

<u>3. 24 books. </u>

Step-by-step explanation:

1. Let's find the volume of each book and the volume of the box, this way:

Volume of a book = 4 * 6 * 1 = 24 inches ³  

Volume of the box = 24 * 24 * 8 = 4,608 inches ³

2. If Hardy fills the box completely, what is the greatest number of books that fit into the box?

Greatest number of books = Volume of the box/Volume of a book

Greatest number of books = 4,608/24

Greatest number of books = 192

3. If Hardy fills the box completely with the least number of layers, there will be (blank) books on the bottom layer.

The height of the box is 8 inches, so it can only can hold 2 or 8 layers of books, since the books are 4 * 6 * 1 inches.  

Greatest number of layers = Height of the box/Width of a book  

Greatest number of layers = 8/1 = 8  

Minimum number of layers = Height of the box/Height of a book  

Minimum number of layers = 8/4 = 2  

Upon saying that, we have:  

Number of books per layer = Greatest number of books/Minimum number of layers  

Number of books per layer = 192/2 = 96

4. To fill the box completely, Hardy places 8 layers of books in the box. There are (blank) books in each layer.

Number of books per layer = Greatest number of books/Number of layers

Number of books per layer = 192/8  

Number of books per layer = 24

Note: Same answer to question 14559894, answered by me today.

5 0
3 years ago
The commission Gary earns is proportional to the cost of the shoes he sells. Gary earns 15% in commission for every $150 worth o
barxatty [35]
C = $150x * .15 is the formula
6 0
3 years ago
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Emma Weber purchased a bedroom set with an installment loan that has an APR of 12%. The bedroom set sells for $2,650. The store
ipn [44]

Answer:

$520.28

Step-by-step explanation:

The finance charge is the amount that Emma will pay in order to cover the processing costs of the bedroom set. In this case it would be $520.28. You have first find the down payment cost ($384) and then find how much she needs to pay each month to cover the rest of the cost ($66.34) and multiply it by the 42 months to get $2786.28. Add the down payment onto that and subtract the original cost and you will get your finance charge of $520.28. Hope this helps!

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6 0
3 years ago
What's the algebraic expression of "4 times a number cubed decreased by 7"?
Likurg_2 [28]
Take the variable to be x

4x^3-7
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3 years ago
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