I There Is Not One, but a Family of Chi-Square

question 78

Multiple Choice

i. There is not one, but a family of chi-square distributions. There is a chi-square distribution for 1 degree of freedom, another for 2 degrees of freedom, another for 3 degrees of freedom, and so on. ii. The shape of the chi-square distribution depends on the size of the sample.
iii. Small differences between observed and expected frequencies are due to chance.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Fixed Mindset

The belief that basic qualities like intelligence or talent are fixed traits and that talent alone leads to success.

Metacognitive Awareness

An individual’s understanding and insight into their own learning processes and cognitive abilities.

Growth Mindset

The belief that one's abilities and intelligence can be developed through dedication, hard work, and resilience.

Cognitive Strategies

Techniques that people use to learn more efficiently, managing and applying their cognitive skills effectively for understanding and problem-solving.