1 07 accuracy and precision

I get asked that question a lot. Even though speed, maneuverability, and recoil management are huge parts to that game, the best shooters are all running bolt-action rifles. They said they appreciated my tell-it-like-it-is, data-driven approach to testing gear, and they challenged me to compare their new large frame AR chambered in 6. I get approached to review all kinds of products, and virtually always decline … but their confidence definitely caught my attention.

1 07 accuracy and precision

The benefit of this agreement is the consistency in the way all scientists read and record measurements. You will always know exactly how many digits your measurement should have based on the instrument used.

You will be able to determine what the smallest graduations were on the instruments used by others when they share their data with you.

Density of an unknown liquid 8 How do you measure properly? When measuring you will determine the number of sig figs by estimating one digit past the smallest measurement, or graduation, on the measuring tool.

How many digits should our measurement have here?

1 07 accuracy and precision

Use the slides starting with the largest to make the balance even. Record in your Notes 13 You will need to complete two more trials of this Part on your own Repeat!

What is the volume? You will need to complete two more trials of this Part on your own. Density of a regular-shaped solid 20 Mass the Object. Read and Record What is the mass? What is this measurement? After you measure the length, click Data Table to review all of your information.

How do your measurements compare? Did you use the correct number of digits? Density of Unknown Liquid Calculate the mass g of the liquid for each trial A.

How many significant figures should our answer have? The final answer cannot have a final digit, which represents the uncertain or estimated place, farther to the right than any of the final digits in the measurements used.

Using our mass we just calculated divide by volume from the data table. If you are only given one measurement, the total number of sig figs in that measurement equal the total number of sig figs allowed in your final answer.

If you are given more than one measurement to be used in a calculation, the final answer must be rounded to the same total number of sig figs as the measurement that has the least total sig figs. How do we know how many significant figures our data has?Accuracy and Precision: Virtual Lab—Measurement.

Content on this page requires a newer version of Adobe Flash Player. Text-only Version [ Close this window]. Both the high accuracy and precision levels indicate that the cod age reader has maintained a reliable level of aging capability.

For haddock, both accuracy estimates were high (96 and 92% agreement, total CVs of JP LRP™ Long Range Precision Rifle. The LRP™ was designed as a platform to cure the shortcomings of existing rifles and still handle like an AR Search this site.

Navigation. Home. The use of pens and syringes with very fine increment markings (1/2 unit) did not improve accuracy or precision.

Presentation on theme: "07 Accuracy and Precision"— Presentation transcript:

Earlier re Accuracy and Precision of Low-Dose Insulin Administration Using Syringes, Pen Injectors, and a Pump - Sep 07, Both accuracy and precision should be the goal of any measurement. 07 Accuracy and Precision: Balance Lab Worksheet Calculate the density of the unknown liquid for each trial.

Ruakura Campus, Hamilton 1 Accuracy and Precision Self-Quiz 1. Accuracy & Precision Precision without Accuracy No Precision & Practice Problems 1. For example, if in.

Accuracy and Precision - ppt download