NURS 5366 week 5 Nursing Research Statistics QUESTIONS AND ANSWERS 100% Accuracy, latest 2024
How to describe a sample Inferential Statistics Bi Modal Central TendencyMultimodal having more than 2 modes Unimodal When distribution only has one mode -the frequencies progressively decline as they move away from the mode. Symmetrical distributions are usually uni modal. bimodal means you have not defined your population if you find a bimodal Mode most frequently occurring measure (value or category) in (distribution) data Mean called location parameter most frequent central tendency but requires interval and ratio data -sum of values divided by total # of observations Median for ordinal, interval and ratio data, value in middle when you line up all measured values in order from least to most, 50th percentile value. -data that is rank ordered (ordinal, interval and ratio) has second measure of central tendencies :median Range difference between maximum value and minimum value of variable in distribution probability chance that particular outcome will occur after an event **long-run relative frequency EX: dice/100 rolls Standard Deviation average distance of values from variable mean. Large SD = spreading among variable in data set is large. FORMULA : -1st find mean (average) then place in formula then square root (check mark with x) -FORMULA to create SD variable with population data; Long-Run relative frequency frequency distribution.....
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