The international affective picture system is a collection of images that differ in their emotional content. The system contains some images that evoke fear in participants (e.g., a photograph of a spider), some images that have little emotional content (e.g., a pair of shoes), and some images have emotionally appealing images (e.g., a beautiful landscape). These images are useful to researchers who study emotion because participants’ responses to these images are distributed in well-understood ways (Marchewka, Zurawski, Jenorog, & Grabowska, 2014). In one study, participants rated the pleasantness of a set of landscape images that were judged to be relaxing on a continuous scale, ranging between one being “very negative” and nine being “very positive”. The following are a set of scores similar to those obtained by the researchers.

a. Construct a frequency distribution table to organize the scores.

b. Draw a frequency distribution histogram for these data.

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8 6 9 4 6 5 8 6 69 5 6 6 5 5 7 7 7 3 7 9