Stat and Prob - Fourth Quarter - Second Summative Test

Directions: Identify whether the given statement is fact or bluff. Write the word “FACT” if the statement is correct and “BLUFF” if it is not.

Null hypothesis is a statement that directly contradicts the initial statement.

Answer explanation

BLUFF

Directions: Identify whether the given statement is fact or bluff. Write the word “FACT” if the statement is correct and “BLUFF” if it is not.

Hypothesis testing refers to the set of all people, objects, events, or ideas that want to investigate.

Answer explanation

BLUFF

Directions: Identify whether the given statement is fact or bluff. Write the word “FACT” if the statement is correct and “BLUFF” if it is not.

Alternative hypothesis states that there is a difference between a parameter and a specific value.

Answer explanation

FACT

Directions: Identify whether the given statement is fact or bluff. Write the word “FACT” if the statement is correct and “BLUFF” if it is not.

Population parameter describes something about the entire group.

Answer explanation

FACT

Directions: Identify whether the given statement is fact or bluff. Write the word “FACT” if the statement is correct and “BLUFF” if it is not.

The symbol used to describe a null hypothesis is 𝐻0.

Answer explanation

FACT

Which of the following symbols denoted null hypothesis?

• 𝐴0

• 𝐴1

• 𝐻0

• 𝐻1

What do you call a claim(assumption) about one or more population parameter?

• Hypothesis

• Illusion

• Theoretical

• Visionary

Which term describes the average of a group characteristics (group could be a person, item or thing)?

• Population mean

• Sample mean

• Population variance

• Standard deviation

Which of the following refers to the numbers that summarizes data from a sample?

• Parameter

• Population

• Statistics

• Quantity

Which term is also known as one-sided and two-sided hypothesis?

• Alternative hypothesis

• Null hypothesis

• Hypothesis testing

• Population mean