The following data represent the commute time (in minutes) x and a score on a well-being survey y. The equation of the least-squares regression line is y = -0.0480x + 69.1570 and the standard error of the estimate is 0.3036. Complete parts (a) through (e) below. X y 40 55 77 110- 10 20 30 69.0 68.1 67.5 67.2 66.2 65.9 63.8 …….. (a) Predict the mean well-being index composite score of all individuals whose commute time is 35 minutes. y=(Round to two decimal places as needed.) (b) Construct a 90% confidence interval for the mean well-being index composite score of all individuals whose commute time is 35 minutes. Lower Bound = Upper Bound (Round to two decimal places as needed.) (Round to two decimal places as needed.) (c) Predict the well-being index composite score of Jan, whose commute time is 35 minutes. (Round to two decimal places as needed.)

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The following data represent the commute time (in minutes) x and a score on a well-being survey y. The equation of the least-squares
regression line is y = -0.0480x + 69.1570 and the standard error of the estimate is 0.3036. Complete parts (a) through (e) below.
X
y
40 55
77 110 D
10 20 30
69.0 68.1 67.5 67.2 66.2 65.9 63.8
(a) Predict the mean well-being index composite score of all individuals whose commute time is 35 minutes.
y=(Round to two decimal places as needed.)
(b) Construct a 90% confidence interval for the mean well-being index composite score of all individuals whose commute time is 35 minutes.
Lower Bound
Upper Bound
...
(Round to two decimal places as needed.)
(Round to two decimal places as needed.)
(c) Predict the well-being index composite score of Jane, whose commute time is 35 minutes.
y=(Round to two decimal places as needed.)
Transcribed Image Text:The following data represent the commute time (in minutes) x and a score on a well-being survey y. The equation of the least-squares regression line is y = -0.0480x + 69.1570 and the standard error of the estimate is 0.3036. Complete parts (a) through (e) below. X y 40 55 77 110 D 10 20 30 69.0 68.1 67.5 67.2 66.2 65.9 63.8 (a) Predict the mean well-being index composite score of all individuals whose commute time is 35 minutes. y=(Round to two decimal places as needed.) (b) Construct a 90% confidence interval for the mean well-being index composite score of all individuals whose commute time is 35 minutes. Lower Bound Upper Bound ... (Round to two decimal places as needed.) (Round to two decimal places as needed.) (c) Predict the well-being index composite score of Jane, whose commute time is 35 minutes. y=(Round to two decimal places as needed.)
d) Construct a 90% prediction interval for the well-being index composite score of Jane, whose commute time is 35 minutes.
Lower Bound
(Round to two decimal places as needed.)
(Round to two decimal places as needed.)
Upper Bound
(e) What is the difference between the predictions made in parts (a) and (c)?
=
OA. The prediction made in part (a) is an estimate of the well-being score for the individual, Jane, whose commute is 35 minutes, a
prediction made in part (c) is an estimate of the mean well-being score for all individuals whose commute is 35 minutes.
OB. The prediction made in part (a) is an estimate of the mean well-being score for all individuals whose commute is 35 minutes, and
prediction made in part (c) is an estimate of the well-being score for the individual, Jane, whose commute is 35 minutes.
OC. The prediction made in part (a) is the average well-being score for all individuals whose commute is 67.48 minutes, and the
prediction made in part (c) is an estimate of the well-being score for the individual, Jane, whose commute is 67.48 minutes.
Transcribed Image Text:d) Construct a 90% prediction interval for the well-being index composite score of Jane, whose commute time is 35 minutes. Lower Bound (Round to two decimal places as needed.) (Round to two decimal places as needed.) Upper Bound (e) What is the difference between the predictions made in parts (a) and (c)? = OA. The prediction made in part (a) is an estimate of the well-being score for the individual, Jane, whose commute is 35 minutes, a prediction made in part (c) is an estimate of the mean well-being score for all individuals whose commute is 35 minutes. OB. The prediction made in part (a) is an estimate of the mean well-being score for all individuals whose commute is 35 minutes, and prediction made in part (c) is an estimate of the well-being score for the individual, Jane, whose commute is 35 minutes. OC. The prediction made in part (a) is the average well-being score for all individuals whose commute is 67.48 minutes, and the prediction made in part (c) is an estimate of the well-being score for the individual, Jane, whose commute is 67.48 minutes.
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