Math 9 Unit 9 SP01

Factors Affecting
Data Collection

Word Cloud

BRAIN STORM

If somebody asks you a question, what affects (or influences) your response?

Think of 1-2 words.

Let's Review...
Factors Affecting
Data Collection

Open Ended

Why does it matter how a question is worded?

Open Ended

Bias is...

Open Ended

Why is timing important when collecting data?

Open Ended

Why does it matter if it costs money to collect data?

Open Ended

What if someone uses the information for something without telling you? What if someone share the information with someone else?

Open Ended

What if someone asks for personal information? How might this affect your willingness to respond?

Open Ended

What if you cannot answer the question because it is does not consider your culture?

Culture refers to the shared characteristics of a particular group of people at a particular time, it includes their general customs, values, beliefs, and opinions.
,

Word Cloud

What are the aspects of someone's culture?

PRACTICE QUESTIONS
Factors Affecting
Data Collection

INSTRUCTIONS:
For each of the following scenarios, select the factor (bias, timing, ethics, etc.) that would have the greatest influence on the results.

Multiple Choice

The following survey question was given to a sample of Grade 9 students:
Do you prefer to use your television to play childish video games or to watch educational programs?

The data collected from this survey would be most influenced by :

• ethics

• privacy

• bias/use of language

• cultural sensitivity

Multiple Choice

Jonah conducts a survey to determine which flavour of ice-cream is the favourite among students in his school.
He plans to hand out the following questionnaire to 100 randomly selected students:

Which of the following ice-cream flavours is the best?
☐ chocolate ☐ vanilla ☐ strawberry
The data collected from this questionnaire would be most affected by :

• privacy

• time/timing

• cultural senstivity

• use of language

Multiple Choice

Mr. Dunbar interviewed his students and asked each one how much allowance they were given each week.

Which of the following might be a problem?

• privacy

• time/timing

• bias/use of language

• cost

Multiple Choice

Customers in an electronics store are asked whether they would purchase last year’s model of a television or wait for this year’s new and improved model.

Which of the following would affect the information collected?

• cost

• privacy

• time/timing

• bias/use of language

Multiple Choice

During the summer, every household in a large community is asked to complete a detailed questionnaire to help determine whether the local skating rink should be renovated.

Which of the following has the most influence on the results?

• cost

• ethics

• bias/use of language

• time/timing

Multiple Select

Grade 6 students are asked how many times they wash their hair each week.

Which of the following might be a problem?

• privacy

• cost

• cultural sensitivity

• use of language