You will make the decision to ______ the null hypothesis when the probability of the statistic is ______.
a. reject; high
b. not reject; low
c. accept; low
d. not reject; high
d. not reject; high
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Imagine that you are conducting a one-variable chi-square test to investigate the hypothesis that there are equal numbers of cat lovers and dog lovers in the office at work. Having conducted a survey, you found 150 preferred dogs and 120 preferred cats. What would the expected frequencies be in each cell?
A. 150 and 120 B. 270 C. 135 D. More information is needed to calculate the expected frequencies.
The adolescent brain:
a. Begins to lose the ability to recover from trauma. b. Finds it easier to acquire new skills. c. Finds it easier to acquire new languages. d. Does not change during puberty.
Briefly explain the role of caregivers for six-to eight-year-olds.
What will be an ideal response?
A professor compared differences in class grades between students in their freshman, sophomore, junior, and senior years of college. If different participants were in each group, then what type of statistical design is appropriate for this study?
A. a two-independent-sample t test B. a one-way between-subjects ANOVA C. a two-way between-subjects ANOVA D. a two-independent-sample t test and a one-way between-subjects ANOVA