Astudent was studying the political party preferences of a university's student population. the survey instrument asked students to identify their political preference, for example, democrat, republican, libertarian, or another party. the best way to illustrate the frequencies for each political preference is a select one: a. bar chart b. histogram c. box plot d. frequency polygon

(a) Bar chart

Explanation:

A bar graph or a bar chart is a graphical representation of data and it belongs to the frequency graphs. It is the best way to illustrate the frequencies of political preference because it is very easy to interpret and it shows the relative sizes that are we can see which political preference is the most common and which is the least, at one glance.

Therefore, we can say that

The best way to illustrate the frequencies for each political preference is a bar graph.

Hence, the option (a) is correct.

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,