Flashcards in Chapter 3 Deck (15):

1

## What is more affected by bias; quantitative or qualitative data?

### Qualitative data

2

## What makes the metric system a decimal system?

### Powers of 10

3

## Why can't measurements ever be completely right?

### It's impossible to find the true value due to errors

4

## What is the reason we can't get 100% precise measurements?

### Random errors

5

##
Why might the same object change weight?

### Gravity

6

## How might one measure the volume of sand?

### Use a gradated cylinder

7

## Why can't you measure in between millimeters?

### Not exact enough and can't get an accurate reading.

8

## What can we use to measure things?

### Number and unit

9

##
(T or F)

There is no need to measure something twice if you know that the tool you used is correct

### False

10

##
(T or F)

Qualitative data is preferred to quantitative data

### False

11

##
(T or F)

When measuring volume with a graduated cylinder, we do not assume that the object will soak up water

### False

12

##
How many significant digits are in this number:

453.0?

### 3SD

13

##
How many significant digits are in this number:

0.700?

### 1SD

14

##
How many significant digits are in this number:

0.4567?

### 4SD

15