MHB Trying to understand how to formulate null and alternative hypotheses

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The null hypothesis posits that there is no significant relationship between IQ scores and GPA among ninth graders, while the alternative hypothesis suggests that a significant relationship does exist. The educator's study involves a random sample of 30 ninth graders, aged 14, using the WISC-IV to measure IQ. It is hypothesized that higher IQ scores may correlate with higher GPAs, indicating a potential positive relationship. The analysis aims to determine if the data supports the alternative hypothesis over the null. Understanding these hypotheses is crucial for interpreting the results of the study effectively.
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A school educator is interested in determining the potential relationship between grade point average (GPA) and IQ scores among ninth graders. The educator takes a random sample of 30 ninth graders aged 14 years old and administers the Wechsler Intelligence Scale for Children-Fourth Edition (WISC-IV).

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Hypotheses - Formulate null and alternative hypotheses. What do you think is the relationship between IQ scores and GPA?
 
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