Mean number of sunspots during solar maximum

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Reference no: EM132464086

Problem: Show working on how you got the the mean number of sunspots during solar maximum from the data provided. Also show calculation on the standard deviation for this dataset.

Year #spots

1705 58

1717 63

1727 122

1738 111

1750 83.4

1761 85.9

1769 106.1

1778 154.4

1787 132

1804 47.5

1816 45.8

1830 70.9

1837 138.3

1848 124.7

1860 95.8

1870 139

1883 63.7

1893 85.1

1905 63.5

1917 103.9

1928 77.8

1937 114.4

1947 151.6

1957 190.2

1968 105.9

1979 155.4

1989 157.6

2000 119.6

Reference no: EM132464086

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