The picture shows the weather in the first week of June in a city, which is a broken-line statistical chart drawn according to the highest temperature this Sunday. Please provide according to two pict

The picture shows the weather in the first week of June in a city, which is a broken-line statistical chart drawn according to the highest temperature this Sunday. Please provide according to two pictures. (1)∵ The highest temperature on Wednesday is 28℃.

The biggest temperature difference this week is Wednesday;

So, the answer is: three;

(2) The highest temperature on Wednesday was 28℃, the highest this week.

Among the highest temperatures, the lowest this week is 25℃.

∴ The extreme temperature range this week is: 28-25 = 3℃;

So the answer is: 3;

(3) According to the line chart, the temperature this week is: Monday: 25℃, Monday: 25℃, Wednesday: 28℃,

Thursday: 26 C, Friday: 25 C, Saturday: 26 C, Sunday: 27 C,

∴ mode is 25℃;

This set of data is arranged by size: 25, 25, 25, 26, 26, 27, 28,

In the middle is: 26,

The median of ∴ is 26℃;

So the answer is: 25, 26.