a. arithmetic average of the scoresb. arithmetic average of the two most extreme scoresc. most frequently occurring scored. arithmetic average of the two middle scoresstatus: correct(1.0) correct: dyour answer: dfeedback: Correct.3If a researcher were to subtract the mean of a distribution from each score in that distribution and add the differences, the resultina. always be zerob. be greater than the modec. be equal to the mediand. depend upon the scores that make up the distributionstatus: incorrect(0.0) correct: a
your answer: cfeedback: Incorrect.4The sum of squared deviations from the ________ will always be ________ the sum of squared deviations around any other valua. mode; equal tob. mean; less thanc. median; less thand. mean; greater thanstatus: incorrect(0.0) correct: byour answer: dfeedback: Incorrect.5If a distribution is less peaked than another, it is said to be more ________; if it is more peaked than another, it is said to be morea. leptokurtic; platykurticb. leptokurtic; variablec. platykurtic; leptokurticd. skewed; variablestatus: incorrect(0.0) correct: cyour answer: dfeedback: Incorrect.6Based on the Method of Presentation section of Chapter 3, the symbol n indicates:status: correct(1.0) correct: ayour answer: afeedback: Correct.7 How would you describe the relationship between the mean, median, and the mode in a positively skewed distribution?
b. mean = median = modec. mean > mode > mediand. mean > median > modestatus: incorrect(0.0) correct: dyour answer: cfeedback: Incorrect.8The variance is the:a. sum of the squared deviations from the mean.b. average of the squared deviations from the mean.