The correct answer is D) the data is symmetrical, showing that the majority of the rainfall amounts was less than 2.01 or greater tham 4 inches.
The statement that must be true according to the histogram is the data is symmetrical, showing that the majority of the rainfall amounts was less than 2.01 or greater than 4 inches.
The amount of rainfall each month during the past four years is shown below. The histogram indicates that on average of 10 months during each year, the amount of rainfall was less than 2.01, during 5 months of the year. The histogram also indicates that the amount of rainfall was greater than 4 inches, reaching 6 inches in 10 months of the year.