Mathematics, 17.04.2021 15:50 sharonfeng3241
A developmental psychologist is studying bonding between healthy newborn babies and immediate family members. He wants to know if one-week-old infants use smell to recognize their fathers. To investigate, he selects a random sample of one-week-old infants. Each infant is presented with a garment worn by his or her father and two garments worn by unrelated men. The psychologist observes which garment each of the infants orients toward.
The resulting data are summarized in the following table that shows the number of infants who oriented toward each of the three garments.
What is are the degrees of freedom for this experiment?
a. 4
b. 3
c. 1
d. 2
Answers: 1
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