Chapter 3

Question 1

Dot Diagram

Answer 1

Question 2

Stem-and-leaf plot

Answer 2

Question 3

Frequency Table

Answer 3

Question 4

Histogram

Question 5

Bell-Shaped Distribution

Answer 5

Question 6

Right-Skewed Distribution

Answer 6

Question 7

Left-Skewed Distribution

Answer 7

Question 8

Uniform Distribution

Answer 8

Question 9

Bimodal Distribution

Answer 9

Question 10

Truncated Distribution

Answer 10

Question 11

Scatter Plot

Answer 11

Question 12

Run/Trend Chart

Answer 12

Scatterplot that is plotted against time or order of observation

(time/order, value)

Question 13

Upper/3rd Quartile

Answer 13

Q(0.75)

Question 14

Lower/3rd Quartile

Answer 14

Q(0.25)

Question 15

Median

Answer 15

Q(0.5)

Question 16

Quantile Plot

Answer 16

Plot of Q(p) vs. p

(p, Q(p))

Question 17

Interquartile Range

Answer 17

IQR = Q(0.75) - Q(0.25)

Question 18

Quantile-Quantile Plot

Answer 18

Plots Q1(p) vs. Q2(p)

Question 19

Standard Normal or Gaussian Quantile Formula

Answer 19

Q_{std nrml} (p) = 4.9(p^0.14-(1-p)^0.14)

Question 20

Normal Plot

Answer 20

Theoretical Q-Q or probability plot

Plot x_i vs. Q_{std nrml}(p)

Question 21

Arithmetic Mean Equation

Answer 21

Question 22

Range

Answer 22

R = x_n - x₁

Question 23

Sample Variance

Answer 23

Question 24

Sample Standard Deviation

Answer 24

Non-negative sqrt of sample variance

Question 25

Population Mean

Answer 25

Question 26

Population Variance

Answer 26

Question 27

Population Standard Deviation

Answer 27

Non-negative sqrt of population standard variance