1.2 study guide

Question 1

How many base units are in a kilo-?

Answer 1

1000

Question 2

How many base units are in a centi-?

Answer 2

1/100

Question 3

How many base units are in a milli-?

Answer 3

1/1,000

Question 4

How many base units are in a micro-?

Answer 4

1/1,000,000

Question 5

How many base units are in a nano-?

Answer 5

1/1,000,000,000

Question 6

How many base units are in a pico-?

Answer 6

1/1,000,000,000,000

Question 7

What is standard deviation?

Answer 7

a measure that is used to quantify the amount of variation in a set of data

Question 8

What is the first step of standard deviation?

Answer 8

find the mean of the data

Question 9

What is the difference between quantitative and qualitative data?

Answer 9

quantitative data is an observation using a measurement or count. qualitative data is an observation that describes a characteristic of the object, not using numbers

Question 10

Where does the independent variable go on a graph?

Answer 10

the x axis

Question 11

What is interpolation?

Answer 11

the viewer makes predictions within recorded data

Question 12

What is extrapolation?

Answer 12

the viewer makes predictions about data not yet recorded

Question 13

Where does the dependent variable go on a graph?

Answer 13

the y axis

Question 14

What does volume measure?

Answer 14

how much space an object takes up (mL or cm³)

Question 15

What does mass measure?

Answer 15

the amount of matter in an object (g)

Question 16

In standard deviation, what is variance?

Answer 16

the average of each point from the mean

Question 17

What is the relationship between variance and standard deviation?

Answer 17

standard deviation is the square root of the variance