Answer the following statement(s) true (T) or false (F)
A skewed distribution tends to pull the median, but not the mean, toward outliers in the data.
Ans: F
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To encourage the development of relationships, the teacher could
a. assign seats to prevent talking. b. assign seats to group English speakers. c. allow children to decide where they will work. d. group children according to skill levels.
Injuries from environmental hazards found in early childhood education environments include a. scalds
b. electrical burns. c. contact burns. d. chemical burns. e. all of these.
Which of the following is NOT a criticism researchers have levied against published math textbooks?
A) They are overly focused on rote learning of computation skills. B) They overwhelm students by presenting too many concepts at one time. C) They lack clear illustrations for foundational concepts. D) They have low quality instructional features.
A dentist decides to investigate whether a pre-operation briefing (or lack thereof) affects his patients' anxiety scale ratings on a standardized test taken immediately following a root canal operation. He is also interested in knowing whether these ratings are affected when classical, rock, or no music is playing during the operation. How can he simultaneously measure the effects of these two conditions? Choose the appropriate test.
a. Chi-square Test for Goodness of Fit with 1 df b. Chi-square Test for Goodness of Fit with > 1 df c. Chi-square Test for Independence d. z-test for a proportion e. One-way ANOVA f. Two-way ANOVA