Use the Following to Answer Questions

question 74

Multiple Choice

Use the following to answer questions :
The table below lists the observed frequencies for all four categories for an experiment.

-The null hypothesis for the goodness-of-fit test is that 40% of all elements of the population belong to the first category,30% belong to the second category,20% belong to the third category,and 10% belong to the fourth category.The significance level is 10%.What is the critical value of chi-square?

• A)9.488
• B)7.815
• C)7.779
• D)6.251

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Definitions:

Behavioral Problems

Refers to actions or behaviors that are disruptive or inappropriate compared to the expected norms for a person's age and culture.

Pays Attention

Refers to the act of focusing cognitive resources on a specific stimulus or task, often discussed in the context of learning and perception.

Receptive Language Disorder

A condition characterized by difficulties in understanding or processing language that is heard or read.

Developmental Coordination Disorder

Neurodevelopmental disorder characterized by marked impairment in the development and performance of coordinated motor activities.