Ozone levels (in parts per billion, ppb) were recorded at sites in New Jersey mo

Question

Ozone levels (in parts per billion, ppb) were recorded at sites in New Jersey monthly 1926 and 1971. Here are boxplots of the data for each month (over the 46 years) lined up in order (January = 1). a) Which month has the highest median ozone level? b) Which month has the most unusual ozone levels? c) Which month has the lowest ozone level recorded? d) Which month has the lowest interquartile range? e) Write a brief comparison of the ozone levels in January and June. f) Write a report (brief) on the annual patterns you see in the ozone levels.

Explanation / Answer

a] from above box plot

March and April months has the same and highest median ozone level

b]

Feb month has highest interquartile range so it seems to be a most unusual ozone level

c]

Octomber month has recorded lowest level of ozone

d]

July month has lowest interquartile range

e]

we observed given box plot diagram and conclude that from January to June there is symmetric nature of ozone level. from January increases the ozone level and from April month ozone level going to decreases.

f]

Annual pattern of ozone level is like seasonal nature. this pattern shows that the ozone level depends on the seasonality.

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