WPC 300 FINAL EXAM| 100 Questions| With Complete Solutions
Which of the following describes the standard deviation? correct answer: It is the square root of the variance. When two variables are highly positively correlated, the correlation coefficient will be _______. correct answer: close to 1 According to statistical notation, what does ∑ stand for? correct answer: to act as a summation operator The ________ is the observation that occurs most frequently. correct answer: mode The difference between the first and third quartiles is referred to as the ____________. correct answer: interquartile range Which of the following is an example of a measure of dispersion? correct answer: variance Which of the following describes a positively skewed histogram? correct answer: a histogram that tails off toward the right Which of the following is true for a median? correct answer: For an even number of observations, the median is the mean of the two middle numbers
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wpc 300 final exam| 100 questions| with complete s
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