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From 1 October 2021 to 10 October 2021, the following data displays the cumulative number of booster doses, x, and the number of positive COVID-19 cases, y in Indonesia. Positive cases, y Booster doses, x Date 1/10/2021 11889 20 2/10/2021 3/10/2021 4/10/2021 10915 24 9066 29 8075 149 5/10/2021 8817 253 6/10/2021 9380 289 7/10/2021 9890 355 8/10/2021 9751 962 9/10/2021 8743 981 10/10/2021 7373 983 a) Determine the regression line equation. b) Predict the number of positive cases when the cumulative number of booster doses reach 200 c) Draw the scatter plot.

From 1 October 2021 to 10 October 2021, the following data displays the cumulative number of booster doses, x, and the number of positive COVID-19 cases, y in Indonesia. Positive cases, y Booster doses, x Date 1/10/2021 11889 20 2/10/2021 3/10/2021 4/10/2021 10915 24 9066 29 8075 149 5/10/2021 8817 253 6/10/2021 9380 289 7/10/2021 9890 355 8/10/2021 9751 962 9/10/2021 8743 981 10/10/2021 7373 983 a) Determine the regression line equation. b) Predict the number of positive cases when the cumulative number of booster doses reach 200 c) Draw the scatter plot.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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From 1 October 2021 to 10 October 2021, the following data displays the cumulative number of booster doses, x, and the number of positive COVID-19 cases, y in Indonesia. Positive cases, y Booster doses, x Date 1/10/2021 11889 20 2/10/2021 3/10/2021 4/10/2021 10915 24 9066 29 8075 149 5/10/2021 8817 253 6/10/2021 9380 289 7/10/2021 9890 355 8/10/2021 9751 962 9/10/2021 8743 981 10/10/2021 7373 983 a) Determine the regression line equation. b) Predict the number of positive cases when the cumulative number of booster doses reach 2000. c) Draw the scatter plot. d) Draw the best fit line at the scatter plot using regression line equation you obtained in (a). e) Compute the value of the correlation coefficient and comment. f) Compute the value of coefficient determination and comment.
Transcribed Image Text:From 1 October 2021 to 10 October 2021, the following data displays the cumulative number of booster doses, x, and the number of positive COVID-19 cases, y in Indonesia. Positive cases, y Booster doses, x Date 1/10/2021 11889 20 2/10/2021 3/10/2021 4/10/2021 10915 24 9066 29 8075 149 5/10/2021 8817 253 6/10/2021 9380 289 7/10/2021 9890 355 8/10/2021 9751 962 9/10/2021 8743 981 10/10/2021 7373 983 a) Determine the regression line equation. b) Predict the number of positive cases when the cumulative number of booster doses reach 2000. c) Draw the scatter plot. d) Draw the best fit line at the scatter plot using regression line equation you obtained in (a). e) Compute the value of the correlation coefficient and comment. f) Compute the value of coefficient determination and comment.
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