Data Collection

"There are four students wearing red." is an example of

• quantitative data

• qualitative data

Qualitative data does not

• Have an answer

• Have a number

• Have a question

• Have data

What is qualitative data (choose 2)

• this data type is numerical in nature. This type of data is collected through questionnaires, one-to-one interview, conducting focus groups and similar methods

• this data type is non-numerical in nature. This type of data is collected through methods of observations, one-to-one interview, conducting focus groups and similar methods

• this data are data about numeric variables (e.g. how many; how much; or how often).

• this data are measures of 'types' and may be represented by a name, symbol, or a number code

The population describes:

• The group of people being surveyed
• part of the group being surveyed
• the whole world
• the school

True or False: all samples lead to a good prediction about an entire population.

• True
• False

This sample consists of the entire population

• convenience
• census
• cluster
• simple

The conductor has no input or control over the environment in this situation

• census
• observational study
• experiment
• judgment

Tags

CCSS.HSS.IC.B.3

The conductor has control over the environment in this setting

• experiment
• observational study
• population
• sample

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.5

What is a census?

• A graph

• A table

• A questionnaire

• A list

We want to know what the most popular sports brand in school is. What is the population?

• Everybody in the school
• All grade 6 students
• Everyone in the MYP
• All boys in school

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2