PSYC1040 Lecture Notes - Lecture 12: Standard Deviation, Square Root, Cumulative Frequency Analysis
Document Summary
Lecture 12 data, graphing and the t test for independent means. Data: must be, organised, explored, refined, find a way of making a shorter, simpler report, summarised, analyse and explain, example, ten item true/false test, highest = 10. If there are many possible values for variable (height) you"ll need to break the categories down into a reasonable number (like 10-15: example (height, 150-155, 156-160, mutually exclusive (not in two categories ie. 40-48, 48-56) Lots of cameras and could see problem in slow motion: 1986 nasa launched a rocket in florida that exploded, big booster rocket where fire came from, o-ring failed and was leaking fuel that caused fire. "for successful technology, reality must take precedence over public relations, for nature cannot be fooled: should have paid more attention to the science behind it to realise it was a bad decision to launch that day.
