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Leni [432]
3 years ago
11

True or False? The sum of the differences is never zero for any distribution consisting of n observations.

Mathematics
2 answers:
Otrada [13]3 years ago
8 0

Answer:  False.

Step-by-step explanation:

  • The zero-sum property of the difference between the data values and the mean says that the sum of the difference between each value of a variable a_i and the mean value A is equal to zero.

Hence, the given statement "The sum of the differences is never zero for any distribution consisting of n observations." is a false statement.

Nat2105 [25]3 years ago
6 0
I think the answer is false
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In the circle below, suppose m FEH=272º and m EFG=116º. Find the following.​
adoni [48]

Answer:

m∠FEH = 44°

m∠EHG =  64°

Step-by-step explanation:

1) The given information are;

The angle of arc m∠FEH = 272°, the measured angle of ∠EFG = 116°

Given that m∠FEH = 272°, therefore, arc ∠HGF = 360 - 272 = 88°

Therefore, angle subtended by arc ∠HGF at the center = 88°

The angle subtended by arc ∠HGF at the circumference = m∠FEH

∴ m∠FEH = 88°/2 = 44° (Angle subtended at the center = 2×angle subtended at the circumference)

m∠FEH = 44°

2) Similarly, m∠HGF is subtended by arc m FEH, therefore, m∠HGF = (arc m FEH)/2 = 272°/2 = 136°

The sum of angles in a quadrilateral = 360°

Therefore;

m∠FEH + m∠HGF + m∠EFG + m∠EHG = 360° (The sum of angles in a quadrilateral EFGH)

m∠EHG = 360° - (m∠FEH + m∠HGF + m∠EFG) = 360 - (44 + 136 + 116) = 64°

m∠EHG =  64°.

5 0
3 years ago
To rent a certain meeting room, a college charges a reservation fee of $34 and an additional fee of $9.70 per hour. The history
Flauer [41]

Answer:

t=5

Step-by-step explanation:

34+9.70t=82.50

-34 -34.00

9.70t=48.50

divide 9.70 from both sides

t=5

3 0
3 years ago
PLEASE HELP ASAP I NEED HELP PLEASE
KonstantinChe [14]

Answer:

It isn't a proportional relationship

Step-by-step explanation:

It's not a proportional relationship because you would have to divide both numbers on the chart by a number they both have in common and when you divide them and it doesn't equal 0 then it is not a proportional relationship.

3 0
2 years ago
What is the value of y?<br><br>A. Cannot be determined<br>B. 65°<br>C. 60°<br>D. 120°​
vlabodo [156]

Answer:

C. 60°

Step-by-step explanation:

The angles in a triangle add up to 180°.

You are given 60° and 60°.

Add them

60 + 60 = 120

Subtract 120 from 180.

180 - 120 = 60°

8 0
3 years ago
Román preguntó en servicio al cliente si le podían fabricar los Zetas con medidas especiales aló cual respondieron que si él req
Alenkasestr [34]

Answer:

Los lados de la lista cuadrada que le fabricaron  miden 15 m

Step-by-step explanation:

Hola! Sabemos que la loseta tiene área cuadrada y que el área del cuadrado está dada por:

Ac = a²

Donde a es la medida de los lados del cuadrado.

Para hallar la medida de la lista cuadrada despejamos a aplicando raíz cuadrada a ambos miembros:

a = √(Ac)

a = √(225 m²)

a = 15 m

Los lados de la lista cuadrada que le fabricaron  miden 15 m

6 0
3 years ago
Read 2 more answers
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