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LISD 8th EUS 8

Data Analysis

bias a statistical sampling or testing error caused by systematically favoring some outcomes over others
box and whisker plot "a diagram that summarizes data using the median, the upper and lower quartiles, and the extreme values."
inference refers to drawing a conclusion from data
outlier "a piece or pieces of data that lie out from the rest of the data (high or low) that can skew (affect) the mean; extreme data that is more than 1.5 more times the interquartile range from the upper or
quartile values that divide a set of data into four equal parts
sample randomly selected group chosen for the purpose of collecting data
scatter plot compares two sets of data to see relationships
trend a general direction either upward or downward is called
trend line "in a scatterplot, a line that closely fits the data points."
validity "in an experiment, there were no biases or unjust sampling when collecting the data"
Created by: aprilchauvette