What does frequency refer to as it pertains to a frequency histogram? а. proportion b. count c. mean d. variance

(a) PROPORTION.

Step-by-step explanation:

A relative frequency histogram has bars whose height is equal to either the proportion of cases that are between the upper and lower bounds of the bar.

The relative frequency in a relative frequency histogram refers to PROPORTION.

A relative frequency histogram is a graph that has the same shape and the same horizontal scale as the corresponding frequency histogram. The difference is that the vertical scale measures the relative frequencies (percentages or proportions).

Hence, option (a) is right option.

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.