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marissa [1.9K]
2 years ago
6

Which equation is written in standard form?

Mathematics
2 answers:
8090 [49]2 years ago
8 0

Answer:

Answer= D

Step-by-step explanation:

ludmilkaskok [199]2 years ago
4 0

Answer: D

Step-by-step explanation:

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In this problem, we explore the effect on the standard deviation of adding the same constant to each data value in a data set. C
aliya0001 [1]

Answer:

3.6661

3.6661

A, Adding a constant does nothing to the standard deviation

Step-by-step explanation:

I'm gonna assume s=standard deviation

The standard deviation is just the square root of the second moment minus the first moment squared

Because we were not told otherwise I think it's pretty safe to assume that all events are equally likely

Let's start by calculating the first moment (AKA The mean)

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Let's then find the second moment

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b.

While I could just tell you that adding something to the standard deviation (and the variane as well) doesn't do anything let's calculate it for fun

same process

.2(16+24+22+16+24)= 20.4

.2(16²+24²+22²+16²+24²)=429.6

√(429.6-20.4²)= 3.6661

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