Listed in the table below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Complete parts a through d. Right arm 84 D 108 104 177 171 Left arm 146 100 180 85 148 a. How well does the best-fit line actually fit the points in the scatterplot? Construct a scatterplot and draw the best-fit line. Choose the correct graph below.

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TH
Right arm
b. Briefly discuss the strength of the correlation. Computer and r². Based on the value for r², identify how much of the variation in the variable can
be accounted for by the best-fit line.
(Round to two decimal places as needed.)
Computer²
2(Round to two decimal places as needed.)
Based on r²% of the variation can be accounted for by the best fit line.
(Round to the nearest whole number as needed)
Click to select your answer(s)
108
177
Right arm
Listed in the table below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Complete parts a through d.
Right arm
Left arm
104
171
B.
100
180
Right arm
85
148
Right arm
84 D
146
Click to select your answer(s)
c. Identity any outliers on the diagram and discuss their effects on the strength of the correlation and on the best-nt line. Choose the correct answer
below.
OA. A possible outlier is (100,180). Its net effect on the strength of the correlation and on the best-fit line is large.
OB. A possible outlier is (108,177). This value is much higher than almost all other values in the data set
OC. A possible outlier is (84,146) Its net effect on the strength of the correlation and on the best-fit line is large.
OD. There is a large gap between the two points at the left and the three points at the right. With such a small data set, none of the points are
likely to be outliers.
d. Does the best-fit line appear to provide reasonably reliable predictions within the range of the given data? Explain.
OA. Predictions based on the best-fit line could not be reliable because the data points do not all fall on the best-fit line
The value of is high and the points appear to be somewhat close to the best-fit line, so the best-fit line appears to provide somewhat
reliable predictions within the range of the given data
c. Predictions based on the best-fit line could not be reliable because the value of r² means there is little correlation.
D. Predictions based on the best-fit line could not be reliable because there are not enough data points to make a prediction
Transcribed Image Text:TH Right arm b. Briefly discuss the strength of the correlation. Computer and r². Based on the value for r², identify how much of the variation in the variable can be accounted for by the best-fit line. (Round to two decimal places as needed.) Computer² 2(Round to two decimal places as needed.) Based on r²% of the variation can be accounted for by the best fit line. (Round to the nearest whole number as needed) Click to select your answer(s) 108 177 Right arm Listed in the table below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Complete parts a through d. Right arm Left arm 104 171 B. 100 180 Right arm 85 148 Right arm 84 D 146 Click to select your answer(s) c. Identity any outliers on the diagram and discuss their effects on the strength of the correlation and on the best-nt line. Choose the correct answer below. OA. A possible outlier is (100,180). Its net effect on the strength of the correlation and on the best-fit line is large. OB. A possible outlier is (108,177). This value is much higher than almost all other values in the data set OC. A possible outlier is (84,146) Its net effect on the strength of the correlation and on the best-fit line is large. OD. There is a large gap between the two points at the left and the three points at the right. With such a small data set, none of the points are likely to be outliers. d. Does the best-fit line appear to provide reasonably reliable predictions within the range of the given data? Explain. OA. Predictions based on the best-fit line could not be reliable because the data points do not all fall on the best-fit line The value of is high and the points appear to be somewhat close to the best-fit line, so the best-fit line appears to provide somewhat reliable predictions within the range of the given data c. Predictions based on the best-fit line could not be reliable because the value of r² means there is little correlation. D. Predictions based on the best-fit line could not be reliable because there are not enough data points to make a prediction
1
11
5
11
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:5
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:5
/11
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:51
Listed in the table below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Complete parts a through d.
Right arm
84 9
Left arm
A.
180-
160-
a. How well does the best-fit line actually fit the points in the scatterplot? Construct a scatterplot and draw the best-fit line. Choose the correct graph
below.
140-
100
Right arm
80
108
177
104
171
120
100
180
Let am
B.
180-
160
85
148 146
140
80
100 120
Right am
O C.
Let am
180-
160-
140-
2)
80 100 120
Right arm
E
WAKAL
OD.
Letam
180-
160-
140
80 100 120
Right arm
G
b. Briefly discuss the strength of the correlation Computer and r². Based on the value for r², identify how much of the variation in the variable can
be accounted for by the best-fit tine
raRound to twn terimal nlaces as needed)
Click to select your answer(s).
Transcribed Image Text:1 11 5 11 25 ✓1 :5 11 :5 /11 51 1/3 :51 Listed in the table below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Complete parts a through d. Right arm 84 9 Left arm A. 180- 160- a. How well does the best-fit line actually fit the points in the scatterplot? Construct a scatterplot and draw the best-fit line. Choose the correct graph below. 140- 100 Right arm 80 108 177 104 171 120 100 180 Let am B. 180- 160 85 148 146 140 80 100 120 Right am O C. Let am 180- 160- 140- 2) 80 100 120 Right arm E WAKAL OD. Letam 180- 160- 140 80 100 120 Right arm G b. Briefly discuss the strength of the correlation Computer and r². Based on the value for r², identify how much of the variation in the variable can be accounted for by the best-fit tine raRound to twn terimal nlaces as needed) Click to select your answer(s).
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