A Card-Dealing Machine Deals Spades (1),hearts (2),clubs (3),and Diamonds (4)at

question 97

Multiple Choice

A card-dealing machine deals spades (1) ,hearts (2) ,clubs (3) ,and diamonds (4) at random as if from an infinite deck.In a randomness check,1,600 cards were dealt and counted.The results are shown below. Using the critical value approach,the decision and conclusion are _________________________________________.

• A) do not reject the null hypothesis;we cannot conclude that not all of the proportions are equal to 0.25
• B) do not reject the null hypothesis;all of the population proportions are the same
• C) reject the null hypothesis;conclude that not all proportions are equal to 0.25
• D) reject the null hypothesis;conclude that not all proportions are equal to 0.20

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Definitions:

Clinical Health Psychologist

A professional specializing in understanding the psychological impact of physical health problems and contributing to their treatment.

Correlational Studies

Research methods that examine the relationship between two or more variables to understand how they may influence one another.

Experimental Design

A methodology based on the scientific method that aims to ensure the validity and reliability of experimental results through control and randomness.

Positive Correlation

A relationship between two variables where if one variable increases, the other one also increases.