Experimental Design Principles

Question 1

Renald completed only one trial of his experiment. What effect will this most likely have?

Revolt · Accepted Answer

The results are more likely to have errors.

Question 2

Which describes reproducibility?

Revolt · Accepted Answer

The ability of data to be duplicated.

Question 3

Which describes the best approach when conducting a scientific experiment?

Revolt · Accepted Answer

conduct repeated trials and make sure the experiment can be replicated

Question 4

What are two main purposes for using repetition when conducting experiments?

Revolt · Accepted Answer

reducing mistakes and increasing confidence in results

Question 5

What does it mean if an experiment exhibits reproducibility?

Revolt · Accepted Answer

The same results are expected each time the experiment is done.

Question 6

Which describes the correct procedure when converting a number from scientific notation to standard notation if the power of 10 is -10?

Revolt · Accepted Answer

Move the decimal point to the left.

Question 7

When 560,000 is written in scientific notation, what is the power of 10?

Revolt · Accepted Answer

5

Question 8

Which two characteristics of data always occur together?

Revolt · Accepted Answer

low accuracy and low precision

Question 9

What is 6.9 × 107 written in standard form?

Revolt · Accepted Answer

69,000,000

Question 10

Which set of data is best described as accurate and precise when compared to an accepted value of 125?

Revolt · Accepted Answer

122, 126, 121, 123

Experimental Design Principles Answers