According to a recent study, the average college freshman owes $900 on their credit cards (Arano, 2006). Given the information above, what is the value for the t-statistic (t)?
A researcher conducted an analysis that supported the research hypothesis that SJSU students spend less on textbooks than the average California college student. As a result of this finding, you hypothesize that SJSU freshmen owe less on their credit cards than the average college freshman. To test this hypothesis, a group of college students are asked, “If you have your own credit card(s), how much do you currently owe on them?” The responses of some of the students in this class are summarized as: N = 25
= 834.53
s = 169.40
a. –.39
b. 4.93
c. –1.92
d. 26.56
c. –1.92
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Indicate whether this statement is true or false.
The weight assigned to each instructional objective in a table of specifications should be determined by which of the following factors?
A. whether it comes first or last in the order of instruction. B. the instructional time devoted to it. C. whether or not it is represented on state standardized tests. D. the time required to respond.
Results of a descriptive study on the sharing behavior of first-grade students showed that children with siblings displayed sharing behavior more often than children who did not have brothers or sisters. The researcher concluded that first-graders were more likely to learn to share if there were other children in the family. Which of the following did the researcher violate by reaching his
conclusion? a) Descriptive studies can describe participants or events, not behaviors. b) Descriptive studies do not assume causal relationships between variables. c) The researcher did not identify his criteria for sharing behavior. d) The researcher only used first-graders as participants in his study.
A survey found that ____________________ of all children have computers in their home
Fill in the blank(s) with correct word