Question: Using only the sunspot numbers, identify the highest number and convert it to a z score. In the context of these sample data, is that

Using only the sunspot numbers, identify the highest number and convert it to a z score. In the context of these sample data, is that highest value "significantly high"? Why or why not?
Listed below are annual high values of the Dow Jones Industrial Average (DJIA) and annual mean sunspot numbers for eight recent years. Use the data for Exercises 1-5. A sunspot number is a measure of sunspots or groups of sunspots on the surface of the sun. The DJIA is a commonly used index that is a weighted mean calculated from different stock values.

DJIA Sunspot Number 7.5 14,198 13,338 10,606 11,625 12,929 13,589 16,577 18,054 16.5 55.7 57.6 64.7 79.3 2.9 3.1

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