Deck 11: Data Analysis 2: Describing, Explaining, Evaluating

Question 1

Use Table 2 to answer the following

Table 2.

Percentages of NFL Fans by Height, Controlling for Gender.

$\begin{array}{l}\text {\quad \quad \quad \quad \quad \quad \quad \quad \quad \quad Women \quad \quad \quad \quad \quad \quad \quad \quad Men}\\\begin{array} { l | c c c | c | c c | c } \hline \text { NFL fan } & \text { Short } & \text { Tall } & \text { Total } & & \text { Short } & \text { Tall } & \text { Total } \\\hline \text { No } & 85.0 & 82.9 & 84.6 & & 14.9 & 15.9 & 15.7 \\\text { Yes } & 15.0 & 17.1 & 15.4 & & 85.1 & 84.1 & 84.3 \\\hline \text { Total } & 100.0 & 100.0 & 100.0 & & 100.0 & 100.0 & 100.0 \\\text { (N) } & ( 6284 ) & ( 1216 ) & ( 7500 ) & & ( 1139 ) & ( 6288 ) & ( 7427 )\end{array}\end{array}$


-In Table 2, the percentage of male NFL fans that are short is

A) 0.149
B) 0.15
C) 0.85
D) 1

Answer 1

0.85

Question 2

Use Table 2 to answer the following

Table 2.

Percentages of NFL Fans by Height, Controlling for Gender.

$\begin{array}{l}\text {\quad \quad \quad \quad \quad \quad \quad \quad \quad \quad Women \quad \quad \quad \quad \quad \quad \quad \quad Men}\\\begin{array} { l | c c c | c | c c | c } \hline \text { NFL fan } & \text { Short } & \text { Tall } & \text { Total } & & \text { Short } & \text { Tall } & \text { Total } \\\hline \text { No } & 85.0 & 82.9 & 84.6 & & 14.9 & 15.9 & 15.7 \\\text { Yes } & 15.0 & 17.1 & 15.4 & & 85.1 & 84.1 & 84.3 \\\hline \text { Total } & 100.0 & 100.0 & 100.0 & & 100.0 & 100.0 & 100.0 \\\text { (N) } & ( 6284 ) & ( 1216 ) & ( 7500 ) & & ( 1139 ) & ( 6288 ) & ( 7427 )\end{array}\end{array}$


-The independent variable in Table 2 is

A) height
B) NFL fan (yes/no)
C) gender
D) can't tell

Answer 2

height

Question 3

Use Table 2 to answer the following

Table 2.

Percentages of NFL Fans by Height, Controlling for Gender.

$\begin{array}{l}\text {\quad \quad \quad \quad \quad \quad \quad \quad \quad \quad Women \quad \quad \quad \quad \quad \quad \quad \quad Men}\\\begin{array} { l | c c c | c | c c | c } \hline \text { NFL fan } & \text { Short } & \text { Tall } & \text { Total } & & \text { Short } & \text { Tall } & \text { Total } \\\hline \text { No } & 85.0 & 82.9 & 84.6 & & 14.9 & 15.9 & 15.7 \\\text { Yes } & 15.0 & 17.1 & 15.4 & & 85.1 & 84.1 & 84.3 \\\hline \text { Total } & 100.0 & 100.0 & 100.0 & & 100.0 & 100.0 & 100.0 \\\text { (N) } & ( 6284 ) & ( 1216 ) & ( 7500 ) & & ( 1139 ) & ( 6288 ) & ( 7427 )\end{array}\end{array}$


-In Table 2, __ % of all women in this sample are not NFL fans, while 84% of all men are NFL fans.

A) 0.846
B) 0.154
C) 0.841
D) 0.846.

Answer 3

0.846

Question 4

Use Table 2 to answer the following

Table 2.

Percentages of NFL Fans by Height, Controlling for Gender.

$\begin{array}{l}\text {\quad \quad \quad \quad \quad \quad \quad \quad \quad \quad Women \quad \quad \quad \quad \quad \quad \quad \quad Men}\\\begin{array} { l | c c c | c | c c | c } \hline \text { NFL fan } & \text { Short } & \text { Tall } & \text { Total } & & \text { Short } & \text { Tall } & \text { Total } \\\hline \text { No } & 85.0 & 82.9 & 84.6 & & 14.9 & 15.9 & 15.7 \\\text { Yes } & 15.0 & 17.1 & 15.4 & & 85.1 & 84.1 & 84.3 \\\hline \text { Total } & 100.0 & 100.0 & 100.0 & & 100.0 & 100.0 & 100.0 \\\text { (N) } & ( 6284 ) & ( 1216 ) & ( 7500 ) & & ( 1139 ) & ( 6288 ) & ( 7427 )\end{array}\end{array}$


-The total sample size for the study in Table 2 is

A) 7500
B) 7427
C) 100
D) can't tell

Question 5

Use Table 2 to answer the following

Table 2.

Percentages of NFL Fans by Height, Controlling for Gender.

$\begin{array}{l}\text {\quad \quad \quad \quad \quad \quad \quad \quad \quad \quad Women \quad \quad \quad \quad \quad \quad \quad \quad Men}\\\begin{array} { l | c c c | c | c c | c } \hline \text { NFL fan } & \text { Short } & \text { Tall } & \text { Total } & & \text { Short } & \text { Tall } & \text { Total } \\\hline \text { No } & 85.0 & 82.9 & 84.6 & & 14.9 & 15.9 & 15.7 \\\text { Yes } & 15.0 & 17.1 & 15.4 & & 85.1 & 84.1 & 84.3 \\\hline \text { Total } & 100.0 & 100.0 & 100.0 & & 100.0 & 100.0 & 100.0 \\\text { (N) } & ( 6284 ) & ( 1216 ) & ( 7500 ) & & ( 1139 ) & ( 6288 ) & ( 7427 )\end{array}\end{array}$


-A null hypothesis for the data in Table 2 is

A) No difference by height on being an NFL fan.
B) Taller persons are more likely to repot being an NFL fan than are shorter persons.
C) Males are more likely to be an NFL fan than are females.
D) none of these (a, b, c).