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Umnica [9.8K]
3 years ago
8

IDENTIFY and EXPLAIN 5 strategies you can use to determine whether your answer is right or wrong for 20-2.34

Mathematics
1 answer:
neonofarm [45]3 years ago
4 0
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Which set of population data is the least dispersed from its mean? 2, 3, 2, 9 4, 0, 4, 0 6, 2, 2, 2 9, 3, 5, 3.
exis [7]

The set of data 6, 2, 2, 2  will have the least dispersion from its mean.

<h3 /><h3>What will be the mean?</h3>

From four sets of data, we take the mean of 6,2,2,2

\rm mean =\dfrac{ Sum \ of\ data}{Number \ of\ data}

So the mean will be

\rm mean =\dfrac{ 6+2+2+2}{4}=\dfrac{12}{4} =3

So the mean of the data (6,2,2,2) is 3 which has the least dispersion from its every data as compared to the other data

Thus the set of data 6, 2, 2, 2  will have the least dispersion from their mean.

<h3 />

To know more about mean follow

brainly.com/question/1136789

7 0
2 years ago
What is the inverse of the function f(x) = x +3?
OLga [1]

Answer:

h(x) = x - 3

Step-by-step explanation:

To find the inverse of a function, you can switch the x and y variables.

In f(x) = x + 3, the y variables is "f(x)".

y = x + 3

Now switch the x and y.

x = y + 3

Isolate for y and replace with h(x).

x - 3 = y

y = x - 3

h(x) = x - 3

5 0
2 years ago
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(as a unit rate simplified) 24 bottles for $2.95
AysviL [449]

Answer:

Bottle unit: 8.14

Dollar unit: $0.12

Step-by-step explanation:

Dividing the equation, bottle on top for bottle and dollars on top for dollar.

7 0
2 years ago
Help..rq................
Colt1911 [192]

Answer: -1/5

Step-by-step explanation:

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2 years ago
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The life in hours of a thermocouple used in a furnace is known to be approximately normally distributed, with standard deviation
Effectus [21]

Answer:

62 is the minimum sample size needed

Step-by-step explanation:

We know that the population is approximately normally distributed so we will use a z-score for 95% confidence, which is 1.96.  We are given the population standard deviation of σ = 20, and are given that the error should be 5 or less hours.  The fact that it gives us sample data is irrelevant since we are told the population is approximately normally distributed and are given the population standard deviation.

See the attached photo for the calculation of the minimum sample size

8 0
2 years ago
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