Question

Activity 2: Identify the Independent, Dependent and Extraneous variables in each of the following situation​

Answer 1

Answer:

An experiment has three types of variables:

Dependant

Independent

Extraneous

Explanation:

• A dependant variable that is always used in experiments is dependent on independent variables.
• An independent variable, as the name suggests, stands alone and doesn't need any other variable.  
• Extraneous variables are those variable which are apparently not independent but they have the tendency to affect the results of experiments.

Answer 2

Answer:

1.

DV: Math Exam Scores

Student’s IQ/Abilities EV:

IV: FB Posts

2.

DV: Sales

EV: Product quality/current

economic status

IV: source of soil

3.

DV: growth of pechay

EV: weather or environmental

conditions/pests

IV: charger and charging cable

4.

combination

DV: charging time/how fast

r quality/compatibility EV: charge

IV: learning modality

5.

DV: exam scores

EV: student learning

styles/availability of resources

Explanation: