Test for the difference in temperature in Honolulu, Hawaii between June and December:
From the dataset, average temperature in June is 74.9 and in December is 71.04. Since there is only one group of temperatures in Hawaii being used, we applied paired t-test to determine whether the difference in the means is statistically significant.
t-statistics is 31.355036920962423.
p-value is 4.193529835915756e-187.
Since p < 0.05, the difference in sample means is significant. In other words, there is a meaningful difference in temperatures between summer and winter in Hawaii.