The amount of rainfall each month over the past four years is shown below.

which statement must be true according to the histogram?

a) the data is skewed, showing that the majority of the monthly rainfall amounts was between 2.01 and 4 inches.

b) the data is skewed, showing that the majority of the monthly rainfall amounts was less than 2.01 or greater than 4 inches.

c) the data is symmetrical, showing that the majority of the monthly rainfall amounts was between 2.01 and 4 inches.

d) the data is symmetrical, showing that the majority of the monthly rainfall amounts was less than 2.01 or greater than 4 inches.

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.  

 D) The data is symmetrical, showing that the majority of the monthly rainfall amounts was less than 2.01 or greater than 4 inches.

Explanation:

A distribution that is symmetrical happens when the values of corresponding variables befall at regular rates. Also, the mean, median and mode appear at an identical point. Furthermore, a symmetric distribution is a type of frequency in which grafic representation the left side of the mirrors the right side.

In this case, the distribution shows that most of the monthly rainfall amounts were either less than 2.01 or greater than 4 inches.

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