Chapter 1.2

Question 1

Dotplot

Answer 1

shows each data value as a dot above its location on a number line

Question 2

Roughly symmetric distribution

Answer 2

both sides of the graph are approximately the same
Mean ≈ Median

Question 3

Skewed to the right

Answer 3

right side of the graph is longer than the left side
Mean > Median

Question 4

Skewed to the left

Answer 4

left side of the graph is longer than the right side
Mean < Median

Question 5

Unimodal

Answer 5

distribution has one peak

Question 6

bimodal

Answer 6

graph has two peaks

Question 6

roughly symmetric

Answer 6

frequencies are about the same for all values

Question 7

how to describe distribution

Answer 7

Shape, Outliers, Center, Variability, + Context

Question 8

stemplot

Answer 8

shows each data value seperated into a stem and leaves

Question 9

splitting stems

Answer 9

when values are more spread out in a stemplot

Question 10

back-to-back stemplot

Answer 10

two distributions connected with a common stem

Question 11

histogram

Answer 11

shows values as intervals with bars