What are descriptive statistics? Give examples of measures of central tendency and measures of variability

What will be an ideal response?


Descriptive statistics are numbers used to describe sets of data. Measures of central tendency include mean, median, and mode. Measures of variability include range, mean absolute deviation, and interquartile range.

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Teacher attention is such a powerful tool that student teachers should

A) use it often. B) be selective in using it. C) limit it to when it is needed most. D) be sincere and honest. E) All of these answers are correct.

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Who writes the following about a student publishing on a wiki: “The audience includes not just the teacher but all of the other students, too, and each student can ‘hear’ every other student–now there is a symphony.”

A. Dorsey (2006) B. Bolton (2009) C. Ganley (2009) D. Koch (2012)

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What two methods could you use to observe a toddler who has been biting his peers? Describe how you would use the methods

What will be an ideal response?

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Which of the following BEST describes the shape of the distribution of these 11 scores? 16, 17, 12, 23, 18, 15, 17, 18, 17, 20, 16

a. bimodal b. peaked c. skewed d. symmetrical

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