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belka [17]
3 years ago
5

Acellus

Mathematics
1 answer:
nekit [7.7K]3 years ago
3 0

Answer:

Step-by-step explanation:

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An experiment has a single factor with eight groups and five values in each group. a. How many degrees of freedom are there in d
pishuonlain [190]

Answer:

A) 7

B) 32

C) 39

Step-by-step explanation:

Degree of freedom is a means of checking how many values that are free to vary, while using a statistical method.

a) since the experiment has a single factor with eight critical values. Therefore;

C - F = degree of freedom among the group variation

8 - 1 = 7

b) The degree of freedom can be calculated, if the number of data; Therefore, number of data is;

N = 8 × 5 = 40

Then the degree of freedom in determining within group variation,

N - C Therefore;

40 - 8 = 32

C) The degree of freedom in determining the total variation is,

N - 1

40 - 1 = 39

6 0
3 years ago
Nelly walks 3 miles to the house of a friend. It takes her 2 hours to arrive.
kondor19780726 [428]

Answer:

Step-by-step explanation:

You didn't show the equations to choose from.

Her speed is 1.5 miles per hour.

6 0
3 years ago
ITS BEEN MORE THAN 48 HRS SINCE I HAVE FIRST TIME POSTING THIS MUTILPE TIMES, PLEASE HEP :((((!!!!!!!!!!!!!!!!!!!!!
Anarel [89]

Step-by-step explanation:

Radius of the circle is 20mm.

Use the formula for the area of the circle.

A = r^2 * π

A = 20^2 * π

A = 1256.64 mm^2 (2 d.p.)

3 0
2 years ago
An oil tanker can be emptied by the main pump in 5 hours. An auxiliary pump can empty the tanker in 7 hours. If the main pump is
r-ruslan [8.4K]

Answer:

so the answer will be 1

Step-by-step explanation:

An oil tanker can be emptied by the main pump in 5 hours.

An auxilary pump can empty the tanker in 14 hours.

If the main pump is started at 7pm, when should the auxilary pump be started

so that the tanker is emptied by 11pm?

:

Let t = no. of hrs to run the Aux pump

:

The main pump will run 4 hr (7 - 11 pm)

:

Let the completed job = 1; (an empty Tanker)

:

The shared work equation

4%2F5 + t%2F14 = 1

Multiply equation by 70 to get rid of the equation, results:

14(4) + 5t = 70

56 + 5t = 70

5t = 70 - 56

5t = 14

t = 14%2F5

t = 2.8 hrs to run the aux pump

:

2.8 hr = 2 + .8(60) = 2 hrs 48 min

:

Subtract 2:48 from 11:00 = 8:12 PM start the aux pump

;

;

Check solution

4/5 + 2.8/14 =

.8 + .2 = 1

6 0
3 years ago
How many hours did jacoboys drive on Monday and Tuesday and in all?
melomori [17]
Looks like 10 and and a half if it's four it's 10 and a half if it 6 it's 12 and a half
7 0
3 years ago
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