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3 years ago

2. What is sampling variability?

Mathematics

2 answers:

statuscvo [17]3 years ago

6 0

Answer:

<h2><u>Sampling variability is how much an estimate varies between samples.</u> </h2>

Step-by-step explanation:

<h3><em>“Variability” is another name for range; Variability between samples indicates the range of values differs between samples. ... The variance (σ2) and standard deviation (σ) are common measures of variability</em></h3>

<h2><u><em>(ATTACHED IMAGE FOR EXAMPLE)</em></u></h2>

(credit to google)

IgorLugansk [536]3 years ago

5 0

Answer:

Step-by-step explanation:

remove parentheses by multiplying factors

use exponent rules to remove parentheses in terms with exponents

combine like terms by adding coefficients

combine the constants

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3 years ago

Which statement is sometimes true:

Lelu [443]

Answer:

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Step-by-step explanation:

A rectangle can be a square, but not always. A rectangle has 2 pairs of parallel sides, 2 pairs of congruent sides, and 4 right angles. Squares have 2 pairs of parallel sides, 4 congruent sides, and 4 right angles. So, the difference between the two is that adjacent sides are not necessarily congruent in rectangles, but they are in squares. This means that some rectangles can be a square. If a rectangle has all congruent sides, then it is a square. On the other hand, some rectangles do not have all congruent sides, and thus are not squares.

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2 years ago

Please need help with this

kirill [66]

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3 years ago

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lys-0071 [83]

The correct answer should be A. Correct me if I'm wrong

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3 years ago

Read 2 more answers