BTEC Applied Science Level 3 - Unit 3 A, B & C

Front

What is qualitative data?

Back

Qualitative data refers to non-numerical information that describes characteristics or qualities. For example, 'The bycatch consisted of dolphins, turtles, and jellyfish' is qualitative data.

Front

What is the probability that maths is a male student's favorite subject if the probability is 0.443?

Back

The probability that maths is a male student's favorite subject is 0.443.

Front

What is a good hypothesis for an experiment on plant growth in different light conditions?

Back

A good hypothesis is: 'If plants are placed in bright light, then they will grow more green leaves than in dim light.'

Front

What condition makes chi-squared tests invalid?

Back

Chi-squared tests are invalid if one of the expected values is less than 5.

Front

In an experiment on alligator gender determination, what is the dependent variable?

Back

The dependent variable is the gender of the baby alligators.

Front

Define the scientific method.

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is the difference between independent and dependent variables?

Back

The independent variable is the one that is changed or controlled in an experiment, while the dependent variable is the one that is measured or observed.

Front

What is a hypothesis?

Back

A hypothesis is a testable statement or prediction about the relationship between two or more variables.

Front

What is the purpose of a control group in an experiment?

Back

The control group serves as a baseline to compare the effects of the independent variable.

Front

What does it mean if a result is statistically significant?

Back

A result is statistically significant if it is unlikely to have occurred by chance, indicating a real effect or relationship.