Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements...

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Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Transcript of Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements...

Page 1: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Set up page 25 as follows:Name9/4/15

Class Notes: Accuracy and Precision

EQ: How are measurements determined to be accurate or precise?

Page 2: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Accuracy

• Measurement of how close a measurement comes to the actual or true value

• Think of accuracy like hitting the bullseye on a target.

Page 3: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Precision

• Can you reproduce the data • Need more than one measurement• Think of this like hitting the same area of a

target more than once.

Page 4: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Three targets with three arrows each to shoot.

Can you hit the bull's-eye?

Both accurate and precise

Precise but not accurate

Neither accurate nor precise

How do they compare?

Can you define accuracy vs. precision?

Page 5: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Accuracy and Precision

• Accurate and Precise

xxx

Page 6: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Accuracy and Precision

• Not Accurate but they are precise

x

xx

Page 7: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Accuracy and Precision

• Accurate but Not Precisexxx

Page 8: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Accuracy and Precision

• Not Accurate and Not Precise

xx

x

Page 9: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Precision of Lab Equipment

• Precision refers to the reproducibility of data• The more precise a piece of

equipment, the more likely you are to get the same measurement repeatedly.

Page 10: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Precision of Lab Equipment

• When you look at a piece of equipment, first look at its graduations (markings) and try to find out what the lines mean.

• The more precise piece of equipment has the

smallest increment change between the markings

• Usually the piece of equipment with the more graduations (lines) is the more precise.

Page 11: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Precision of Lab Equipment

20

30

Increment = 1 mL

20

22

21

Increment = 0.2 mL

20.2020.00

21.020.0

More Precise

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a)

or

More graduations – your measurements will be more precise

http://images.google.com/imgres?imgurl=http://core.ecu.edu/chem/chemlab/equipment/images/beaker.jpg&imgrefurl=http://core.ecu.edu/chem/chemlab/equipment/ebeaker.htm&h=400&w=357&sz=26&hl=en&start=1&tbnid=4nse1tcrFMw8SM:&tbnh=124&tbnw=111&prev=/images?q=beaker&svnum=10&hl=en&lr=
Page 13: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

b)

or

More graduations – your measurements will be more precise

Page 14: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

c)

or

More graduations – your measurements will be more precise

Page 15: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

d)

or

More graduations – your measurements will be more precise

Page 16: Set up page 25 as follows: Name 9/4/15 Class Notes: Accuracy and Precision EQ: How are measurements determined to be accurate or precise?

Set up page 24 as follows:Name9/4/15

Precision of Lab Equipment ActivityEQ: Can I identify the piece of lab equipment that is more precise?


Processes of Change. EQ: How does weathering occur? EQ:

Processes of Change. EQ: How does weathering occur? EQ:

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INDUSTRIAL PUMPS SINCE 1982 - newin-tech.com · N - NBR EQ 51 - Equaflux 51 EQ 100-Equaflux 100 EQ 200 - Equaflux 200 EQ 302 - Equaflux 302 EQ 303 - Equaflux 303 EQ100 H T C Dampener

ALESIS QuadraVerb GT Reference Manual - ampl.nl · High EQ Frequency (3 Band EQ mode only).....60 High EQ Amplitude (3 Band EQ mode only).....60

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Bell-work 9/24/14 EQ 25 How do you identify the thesis statement? Copy this statement and take notes Thesis Statement -A clear, precise single idea that.

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Revenue Code Requirements (Medicaid) - Michigan - SOM · code e standard abbreviation svc eq eq svc eq s eq svc eq eq svc eq eq svc eq eq svc eq eq svc eq eq opps inpatient hospice

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Title: Validity of the EQ-5D-5L and EQ-5D-

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EQ Tech Manual 4.1 JJ - Crowned Grace International€¦ · EQ Technical Manual Hogan Emotional Intelligence Model 2.1 The State of EQ Research EQ concerns the competencies needed

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Precise Youniq Access Brochure - Home - Precise Biometrics

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Trade Xpress JAVA - bp.eurekasecurities.netINFY-EQ NOCIL-EQ ITC-EQ GSFC-EQ Log Place Spread % cha 1188064 7436209 3351019 1955818 376096 5582450 1579902 666552 100610 398436 KAUSHIK

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(Eq. 4) (Eq. 5) Where (Eq. 6) u ≡ wind speed u* ≡ friction velocity

(Eq. 4) (Eq. 5) Where (Eq. 6) u ≡ wind speed u* ≡ friction velocity

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PRECISE DATA LEADS TO PRECISE DECISIONS

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Graphic EQ Week 2 PowerPoint. What is Graphic EQ? GRAPHIC EQ: Common type of EQ, has banks of SLIDERS to control specific FREQUENCIES Sliders can ADD.

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