Answer
See the plot below.
Work Step by Step
$X=-2, -1.5, -1, -0.5, 0, 0.5, 1, 1.5, 2$
$y=0.054, 0.13, 0.242, 0.352, 0.399, 0.352, 0.242, 0.13, 0.054$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.