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RBMS PACE DATA
Data Analysis 8th grade
Question | Answer |
---|---|
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 l.5 more times the interquartile range from the upper or lower quartiles |
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 |