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3 years ago

1. Write the formal definitions of the following vocabulary words

Mathematics

1 answer:

zubka84 [21]3 years ago

4 0

Answer:

a) Data set - A data set (or dataset) is a collection of data. The data set lists values for each of the variables, such as height and weight of an object, for each member of the data set.

b) Mean-

c) Median-

d) Mode-

e) Range -

Step-by-step explanation:

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Assume that you have selected a random sample of 15 checks from a population of 800 checks. The checks you have selected are the

Nady [450]

Answer:

true

Step-by-step explanation:

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4 years ago

Help me on this please it’s due at 11:59 and i have no idea what to do

rjkz [21]

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3 years ago

A distribution of measurements is relatively mound-shaped with a mean of 40 and a standard deviation of 15. Use this information

MArishka [77]

Answer:

The proportion of measurements between 25 and 55

P( 25 ≤ X≤ 55) = 0.6826

Step-by-step explanation:

Step(i):-

Given that the mean of the Population = 40

Given that standard deviation of the Population = 15

Let 'x' be the random variable in normal distribution

Let 'X' = 25

$Z = \frac{x-mean}{S.D} = \frac{25-40}{15} = -1$

Let 'X' = 55

$Z = \frac{x-mean}{S.D} = \frac{55-40}{15} = 1$

Step(ii):-

The probability that between 25 and 55

P( 25 ≤ X≤ 55) = P( -1≤z≤1)

= A(1) - A(-1)

= A(1) + A(1)

= 2 × A(1)

= 2× 0.3413

= 0.6826

The proportion of measurements between 25 and 55

P( 25 ≤ X≤ 55) = 0.6826

Final answer:-

The proportion of measurements between 25 and 55

P( 25 ≤ X≤ 55) = 0.6826

4 0

3 years ago

Solve for a in the figure shown.

aleksandrvk [35]

Answer: 58 is the answer

hope this help and here my steps use a mark or a pin

and line it with the line if it's wrong sorry for the wrong

answer

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3 years ago

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Viktor [21]

Answer:

Step-by-step explanation:

An angle of the measure $25\pi /6$ should have the same measure as an angle measured $(25\pi /6)-2\pi$ because this is periodic. We can then keep subtracting $2\pi$ from $25\pi /6$ until we get down to the smallest possible positive radian value: $\frac{25\pi }{6} -\frac{12\pi }{6} -\frac{12\pi }{6} =\pi /6$ .

Thus, the answer is C.

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3 years ago

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