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bird_song_data_section_1_ss2

bird_song_data_section_1_ss2 - Bird Type Total phrases...

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Bird TypeTotal # phras # phrase types song length (s) NORMAL1 4 4 2.300 NORMAL2 5 4 1.950 NORMAL3 4 4 1.800 NORMAL4 5 5 2.250 NORMAL5 4 4 1.900 NORMAL6 5 5 1.800 ISOLATE1 2 2 1.700 ISOLATE2 4 3 1.900 ISOLATE3 3 2 2.500 ISOLATE4 2 2 1.200 ISOLATE5 2 2 1.600 ISOLATE6 1 1 1.700 HINT: Calculate group averages… AVG # Phrases AVG # phrase typesAVG song length NORMAL ISOLATE SE # Phrases SE # phrase types SE song length NORMAL ISOLATE HELPFUL INFORMATION Calculating Standard Error 1. Find Standard Deviation - in Excel, use formula 'STDEV(datarange)' 2. Divide SD by the square root of the sample size - Excel formula 'SQRT(#)' Adding Error Bars to Graphs 1. Right click on data series BAR on the graph 2. Go to -> Format Data Series 3. Under 'Format Y-Error bars', select "Custom" 4. Enter Data range that contains your Standard Error values, the same values for both "+" and "-" FYI: make sure you assign the correct SE to the correct data series, as you will have d
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