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Brrunno [24]
3 years ago
7

The F-ratio increases as _________. the variability between means increases relative to the variability within groups the variab

ility between means decreases relative to the variability within groups the total variability increases the total variability decreases
Mathematics
1 answer:
blondinia [14]3 years ago
6 0

Answer: variability between means increases relative to the variability within groups

Step-by-step explanation:

The formula to calculate F-ratio : variance between groups divided by variance within groups

Here, F-ratio \propto is proportional to variance between groups but inversely proportional to variance within groups .

So, F-ratio increases when variability between means increases relative to the variability within groups.

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Which of the following statements is true for the logistic differential equation?
solong [7]

Answer:

All of the above

Step-by-step explanation:

dy/dt = y/3 (18 − y)

0 = y/3 (18 − y)

y = 0 or 18

d²y/dt² = y/3 (-dy/dt) + (1/3 dy/dt) (18 − y)

d²y/dt² = dy/dt (-y/3 + 6 − y/3)

d²y/dt² = dy/dt (6 − 2y/3)

d²y/dt² = y/3 (18 − y) (6 − 2y/3)

0 = y/3 (18 − y) (6 − 2y/3)

y = 0, 9, 18

y" = 0 at y = 9 and changes signs from + to -, so y' is a maximum at y = 9.

y' and y" = 0 at y = 0 and y = 18, so those are both asymptotes / limiting values.

8 0
2 years ago
Which of the following shows the solution for the system of linear equations? y = 2x – 3
damaskus [11]

the correct answer is 3/5

4 0
3 years ago
A company uses the declining-balance method of calculating depreciation expense. On January 1, the company buys machinery for $7
NeX [460]

Answer:

$516,000

Step-by-step explanation:

Given:

- Beginning boo value of asset A = $750,000

- The salvage value of the asset B = $100,000

- The estimated life of asset t = 10 years

Find:

What is the book value in year 3?

Solution:

- Under the declining balance method, double declining method depreciation rate (R) is calculated by:

                                  R = 1 / t

                                  R = 1 / 10 = 10%

- The accumulated depreciation for 3 years is as follows:

                                 Depreciation: ( A - B ) * R * 2

                 Year 1:     DDB = ( 750,000 - 100,000 ) * 0.2 = $130,000

                 Year 2:    DDB = ( 620,000 - 100,000)*0.2 = $104,000

- The book value in year 3 is:

                                 $ 620,000 - $104,200 = $516,000

                                             

                                   

7 0
3 years ago
Factor the expression completely.<br> x^5y^2-x^2y^4
Zarrin [17]

Answer:

x5y2−x2y4

Step-by-step explanation:

There are no like terms. Therefore the answer is correct. =x^5y^2−x^2y^4

6 0
3 years ago
A salad costs $2. a steak dinner cost 6 times as much. how much does the steak dinner cost?
sesenic [268]
D 12
multiply six times two answer is 12
7 0
3 years ago
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