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Based on the stem-and-leaf plot below, representing scores on an exam, what is the cumulative frequency of 27? 10 : 0  9 : 2  8 : 233  7 : 5  6 :  5 : 00555588  4 : 222  3 : 666  2 : 777  1 : 7  0 : 8 *each stem represents the hundreds and tens place; each leaf represents the ones place

Given the scores 50, 50, 60, 70, 80, 90, 92, 92, what is the frequency for a score of 90?

If the scores of a class at midterm are 70, 70, 70, 80, 80, 90, 92, and 92, what is the relative frequency of the score 80?

Based on the box-plot depicted in the picture, what is the approximate value of the score at the second quartile or Q2?

What is the cumulative frequency associated with a score of 6 in the frequency distribution below? X f 10 2 9 3 8 3 7 5 6 2 5 3 4 0 3 2

Effective speeches are typically well organized.

Public speakers should identify any sources used in developing the content for a speech orally during the presentation.

In most informative speeches, the audience will be only vaguely knowledgeable at best about the details of the topic being presented.

An investigator studying race classified people into three racial categories–black, white, and Hispanic. This is an example of a(n) _____variable.

In a frequency histogram, the horizontal dimension is called the _____, and the vertical dimension is called the _____.