Question

1.A director of a childcare center is interested in whether there is a tendency for fathers and mothers to be differentially involved in the care of their child depending on the gender of that child. She collects data on which parent drops off a child and the gender of that child. Her center has very few children, so her data are limited. What statistical test could she use to analyze these data? paired-samples t test chi-square test for independence correlation chi-square test for goodness-of-fit

2.A correlation of 0.56 is found between class rank and student likability. What can we conclude based on this correlation? Good grades cause increases in popularity. Class rank is predictive of academic performance. Low class ranks tend to be associated with low likability ranks, and high class ranks tend to be associated with high ranks for likability. High likability is associated with low class rank.

3.For a chi-square test, it is typically recommended that the minimum number of participants is: 4. 12. five times the number of cells. three times the number of cells.

4.When you have one nominal variable, the appropriate statistical test to use is a chi-square test for: goodness-of-fit. independence. empowerment. association.

 

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