For the past 20 years, the high temperature on April 15th has averaged μ = 61 degrees with a standard deviation of σ = 6. Last year, the high temperature was 67.5 degrees. Based on this information, last year's temperature on April 15th was ____. Explain your response in a sentence using a Z score. You may not use any AI for your responses.
a little above average
far above average
Above average, but it is impossible to describe how much above average.
There is not enough information to compare last year with the average.