Use the Following to Answer Questions

question 3

Multiple Choice

Use the following to answer questions :
In a hypothesis test with hypotheses and ,a random sample of size 974 produced a sample proportion of 0.7380.The test is to be made at the 5% significance level.
-What is the critical value of z?

• A)-2.05
• B)-2.33
• C)-1.96
• D)-1.65

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Definitions:

Experiments

Systematic and scientific procedures carried out under controlled conditions to investigate a hypothesis or demonstrate a known fact.

Parental Support

The assistance and backing provided by parents to their children, which can be emotional, physical, or financial in nature.

Lower Grades

Academic scores or assessments that are below the expected or desired standard or average.

Correlation

A statistical measure that describes the degree to which two variables move in relation to each other.