1. Create Descriptive Statistics for each state’s hydroelectric power production

Question

1. Create Descriptive Statistics for each state’s hydroelectric power production. 2. Find the coefficient of variation for each state’s hydroelectric power production.    3. Which state has the greatest variability? Which state has the least variability? Nebraska North Dakota South Dakota 11962 23573 56915 15713 25068 64205 12818 19923 51110 4233 14398 43261 3414 12345 29494 3434 12903 28834 8861 15087 33693 8714 13417 30743 9145 15483 36033 9924 17455 43298 11165 16202 44290 11616 13764 35461 15309 21652 58304 17579 26681 68282 17160 23412 58710 17080 33903 92042 16564 32580 82489 14706 25341 61974 13533 19151 52908 10326 14588 26712 11122 17570 37355 10902 18333 39950 11859 17799 40926 12083 19748 47805 13940 19447 54573 16329 20654 56119 17528 24300 59917 15051 22699 55711 14037 24656 59734 14157 25010 58133 12672 26687 56725 12510 23518 55461 13875 26107 60436 12899 28325 65839 12303 31437 70777 12738 20812 55241 13240 33937 73146 12624 34806 82484 13509 28501 59110 14243 24749 50250 14240 32122 77141 14243 33900 81497 14383 29536 69037 12929 30703 66340 13040 25989 58692 12135 28905 51427 12107 20088 50500 11663 26105 40479 10489 19646 32372 10626 15547 30493 10298 13651 15855 9884 14982 12160 10317 11407 12437 1. Create Descriptive Statistics for each state’s hydroelectric power production. 2. Find the coefficient of variation for each state’s hydroelectric power production.    3. Which state has the greatest variability? Which state has the least variability? Nebraska North Dakota South Dakota 11962 23573 56915 15713 25068 64205 12818 19923 51110 4233 14398 43261 3414 12345 29494 3434 12903 28834 8861 15087 33693 8714 13417 30743 9145 15483 36033 9924 17455 43298 11165 16202 44290 11616 13764 35461 15309 21652 58304 17579 26681 68282 17160 23412 58710 17080 33903 92042 16564 32580 82489 14706 25341 61974 13533 19151 52908 10326 14588 26712 11122 17570 37355 10902 18333 39950 11859 17799 40926 12083 19748 47805 13940 19447 54573 16329 20654 56119 17528 24300 59917 15051 22699 55711 14037 24656 59734 14157 25010 58133 12672 26687 56725 12510 23518 55461 13875 26107 60436 12899 28325 65839 12303 31437 70777 12738 20812 55241 13240 33937 73146 12624 34806 82484 13509 28501 59110 14243 24749 50250 14240 32122 77141 14243 33900 81497 14383 29536 69037 12929 30703 66340 13040 25989 58692 12135 28905 51427 12107 20088 50500 11663 26105 40479 10489 19646 32372 10626 15547 30493 10298 13651 15855 9884 14982 12160 10317 11407 12437

Explanation / Answer

Coefficient of variation =(std deviation/mean)*100

for nebraska COV =24.89%

for North Dakota=29.21%

for South Dakota =34.63%

hence south Dakota has higher variability

Nebraska Mean 12400.58 Standard Error 423.9813 Median 12672 Mode 14243 Standard Deviation 3086.63 Sample Variance 9527287 Kurtosis 1.895815 Skewness -0.98145 Range 14165 Minimum 3414 Maximum 17579 Sum 657231 Count 53

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