9 10 མ༆མཙྪ 12345678 20 State Millionaires 86 98 Population 35 17 7 21 14 142 63 25 14 206 87 370 194 228 125 19 10 12 5 The accompanying table shows the number of millionaires (in thousands) and the population (in hundreds of thousands) for 10 states. Complete parts a through e. Click the icon to view the data table. a. vvitnout doing any calculations, predict whether the correlation and siope will be positive or negative. Explain your prediction. The correlation and slope will be positive because states with a larger population will most likely have a larger number of millionaires. b. Make a scatterplot with the population (in hundreds of thousands) on the x-axis and the number of millionaires (in thousands) on the y-axis. Choose the correct scatterplot below. Millionaires 400 200- 0- 0 100 200 Population О в. Q 400- 200- 0 100 200 Population c. Find the numerical value for the correlation. The correlation is 0.992. (Round to three decimal places as needed.) d. Find the value of the slope and explain what it means in context. Be careful with the units. ○ C. ○ D. Q 400- 400- Q Q Q 200- 200- G G 0- 0 100 200 Population 0 100 200 Population The slope is This slope indicates that for every increase of one hundred thousand in population, the number of millionaires will increase, on average, by (Round to four decimal places as needed.) thousand.
9 10 མ༆མཙྪ 12345678 20 State Millionaires 86 98 Population 35 17 7 21 14 142 63 25 14 206 87 370 194 228 125 19 10 12 5 The accompanying table shows the number of millionaires (in thousands) and the population (in hundreds of thousands) for 10 states. Complete parts a through e. Click the icon to view the data table. a. vvitnout doing any calculations, predict whether the correlation and siope will be positive or negative. Explain your prediction. The correlation and slope will be positive because states with a larger population will most likely have a larger number of millionaires. b. Make a scatterplot with the population (in hundreds of thousands) on the x-axis and the number of millionaires (in thousands) on the y-axis. Choose the correct scatterplot below. Millionaires 400 200- 0- 0 100 200 Population О в. Q 400- 200- 0 100 200 Population c. Find the numerical value for the correlation. The correlation is 0.992. (Round to three decimal places as needed.) d. Find the value of the slope and explain what it means in context. Be careful with the units. ○ C. ○ D. Q 400- 400- Q Q Q 200- 200- G G 0- 0 100 200 Population 0 100 200 Population The slope is This slope indicates that for every increase of one hundred thousand in population, the number of millionaires will increase, on average, by (Round to four decimal places as needed.) thousand.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
100%
Part d
The slope is?
Transcribed Image Text:9
10
མ༆མཙྪ
12345678 20
State Millionaires
86
98
Population
35
17
7
21
14
142
63
25
14
206
87
370
194
228
125
19
10
12
5
Transcribed Image Text:The accompanying table shows the number of millionaires (in thousands) and the population (in hundreds of thousands) for 10 states. Complete parts a through e.
Click the icon to view the data table.
a. vvitnout doing any calculations, predict whether the correlation and siope will be positive or negative. Explain your prediction.
The correlation and slope will be positive because states with a larger population will most likely have a larger number of millionaires.
b. Make a scatterplot with the population (in hundreds of thousands) on the x-axis and the number of millionaires (in thousands) on the y-axis. Choose the correct scatterplot below.
Millionaires
400
200-
0-
0
100 200
Population
О в.
Q
400-
200-
0
100 200
Population
c. Find the numerical value for the correlation.
The correlation is 0.992.
(Round to three decimal places as needed.)
d. Find the value of the slope and explain what it means in context. Be careful with the units.
○ C.
○ D.
Q
400-
400-
Q
Q
Q
200-
200-
G
G
0-
0
100 200
Population
0
100 200
Population
The slope is This slope indicates that for every increase of one hundred thousand in population, the number of millionaires will increase, on average, by
(Round to four decimal places as needed.)
thousand.
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