Multiple Choice
What type of hypothesis is a researcher stating when they say "I hypothesize that the independent variable positively influences the dependent variable"?
A) directional alternative hypothesis test (one-tailed)
B) nondirectional alternative hypothesis test
C) negative directional alternative hypothesis test
D) nondirectional alternative hypothesis test (two-tailed)
Correct Answer:
Verified
Correct Answer:
Verified
Q5: Using distributions for visual depiction, draw out
Q6: The null hypothesis always _.<br>A) assumes there
Q7: The z- and t-distributions have nearly identical
Q8: The distribution below illustrates which of the
Q9: Which of the following is a
Q11: The critical value of t at a
Q12: What type of hypothesis is a researcher
Q13: Because the t- and z-distributions use different
Q14: When a researcher selects a particular alpha
Q15: Deciding to use a directional versus nondirectional