2Math2810 - DESCRIPTIVE STATISTICS NUMERICAL GRAPHIC SUMMARIES 1 STATISTICS(Inferential S tatistics is concerned with making decisions about the entire

# 2Math2810 - DESCRIPTIVE STATISTICS NUMERICAL GRAPHIC...

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DESCRIPTIVE STATISTICS: NUMERICAL & GRAPHIC SUMMARIES 1
STATISTICS (Inferential) S tatistics is concerned with making decisions about the entire population based on information obtained from a sample from the population. Descriptive Statistics – using statistics to describe a sample 2
SOLAR ENERGY EXPERIMENT 3
4 1 Cell 2 Cells 3 Cells Obs. # Power Obs. # Power Obs. # Power Obs. # Power Obs. # Power Obs. # Power 1 270 26 220 1 35 26 400 1 1740 26 1350 2 120 27 220 2 735 27 400 2 2100 27 1350 3 137.5 28 230 3 600 28 400 3 2280 28 1325 4 112.5 29 220 4 525 29 390 4 2275 29 1325 5 150 30 220 5 630 30 380 5 2090 30 1300 6 180 31 70 6 200 31 195 6 1200 31 1560 7 160 32 70 7 290 32 180 7 1885 32 1527.5 8 180 33 70 8 300 33 240 8 1690 33 1495 9 180 34 70 9 310 34 270 9 1820 34 1495 10 213.75 35 80 10 310 35 30 10 1680 35 1380 11 180 36 80 11 595 36 595 11 1800 36 280 12 190 37 60 12 560 37 560 12 1860 37 350 13 190 38 20 13 560 38 560 13 1830 38 500 14 180 39 120 14 660 39 620 14 1860 39 500 15 185 40 110 15 640 40 525 15 1830 40 525 16 110 41 160 16 380 41 735 16 2340 41 1860 17 110 42 160 17 380 42 735 17 2210 42 1860 18 110 43 170 18 380 43 735 18 2040 43 1800
IS THE SAMPLE FOR 3 CELLS RANDOM? 5 0 5 10 15 20 25 30 35 40 45 50 0 500 1000 1500 2000 2500
NUMERICAL SUMMARIES Quantitative Data Mean Min Max Median Mode