For the numbers 17, 2, 9, 12, 15, the range is ________
a. 15
b. 9
c. 12
d. 2
Answer: a
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"Moms prefer Brand X of peanut butter," a commercial claim. Sarah wonders what other brands were used as the comparison group. Which benefit of learning about research methods is Sarah displaying?
a. better understanding of studies b. better memory for the results of studies c. critical evaluation of information d. enhanced self-esteem
A goodness-of-fit test is used with
a. a contingency table. b. normally distributed variables. c. a one-way categorization. d. a test of linearity.
Serena is pregnant and has just been informed by her doctor that her baby's heart, eyes, hands, and feet are beginning to develop. Therefore, Serena is careful to avoid ____ during this ____ stage of development.?
a. ?teratogens; embryonic b. ?teratogens; fetal c. ?alcohol and smoke; zygotic d. ?alcohol and smoke; fetal
A child's temperament has no effect on the security of their attachment
Indicate whether this statement is true or false.