The table shows the record monthly high and low temperatures for a city in Alaska.

a. Find the range of temperatures for each month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Range (∘∘F) 91 95 80 87 81 63 50 54 54 70 83 89

Question 2

b. What are the all-time high and all-time low temperatures?

All-time high:

All-time low:

c. What is the range of the temperatures in part (b) ?

Range of all-time high and all-time low temperatures:

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A. The range is equal to the highest value minus the lowest value. Since the table given in part A is already in terms of range, then there is no need for a solution. The range of temperature for each month is as it is.

B. For this question, find the largest value which would represent the all-time high. That would be on February at 95°F. The lowest value would also represent the all-time low. That would be on July at 50°F.

C. The range of part B is just the difference of the all-time high and all-time low temperatures.

Range = 95°F - 50°F = 45°F