SOLVED

11)Which of the following would researchers generally try to avoid using because it can be unstable? A)Mean. B)Median. C)Mode. D)Variance. 12)The median is the A)most frequently occurring score. B)average score. C)middle score. D)highest score. 13)A researcher does a study comparing class grades and age in one classroom. While the majority of the class is 19-22 years old, there are three students in their 40s. In this case, the most reasonable measure of central tendency would be the A)mode. B)median. C)mean. D)standard deviation. 14)When there are two possible values for the median, the median is A)the largest of the two. B)the smaller of the two. C)the average of the two. D)both of the two (termed bimedial). 15)The mean is the ________ score. A)most frequently occurring B)middle C)highest D)average 16)An X with a line over it (read X bar) is the notation for the A)median. B)mean. C)mode. D)sum of all scores. 17)A distribution may have more than one A)mean. B)mode. C)median. D)average. 18)If a distribution has two modes, the distribution is said to be A)invalid. B)bivalent. C)bimodal. D)unequivocal. 19)If a distribution has three modes, it is said to be A)unstable. B)unequal. C)trimodal. D)trifocal. 20)A disadvantage of relying on the mode is that it is A)unstable. B)difficult to compute. C)not affected by a change in one or two scores. D)not able to be used with all scales of measurement. Â