Statistical Terms: NCE question and answers graded A+ 2024/2025

Statistical Terms: NCENominal - correct answer When numbers are simply names as in Group 1 and Group 2. No math can be performed. Ordinal - correct answer Num Numbers that show relative standing in a distribution. The distance between numbers (ranks) is not necessarily equal. Interval - correct answer Numbers that have equal distance between units (2 is half of 4). Statistical procedures with these numbers are called parametric. Ratio - correct answer Numbers with a true 0 and equal distance between units. When measuring constructs of human creation in social and behavioral sciences (e.g., intelligence, anxiety, depression, attitudes) we do not have true forms of these numbres - there is no such thing as zero intelligence. Measures of central tendency - correct answer Mean, Median, Mode Mean - correct answer Arithmetic average of a distribution (group of numbers). Generally the best central tendency measure for interval scale numbers Median - correct answer 50th percentile or midpoint of any distribution. Generally the best central tendency measure for ordinal scale numbers. Mode - correct answer the most frequently occurring score(s) in a distribution Measures of dispertion - correct answer range, variance, and standard deviation Number Scales - correct answer Nominal, ordinal, interval, ratio Inclusive range - correct answer The highest score minus the lowes score in a distribution plus 1.