Question 3 The following data shows the cumulative number of booster doses, x and the number of positive COVID-19 cases, y in Malaysia from 1 October 2021 until 10 October 2021. Positive cases, y Booster doses, x Date 1/10/2021 2/10/2021 11889 20 10915 24 3/10/2021 4/10/2021 5/10/2021 6/10/2021 9066 29 8075 149 8817 253 9380 289 7/10/2021 8/10/2021 9/10/2021 10/10/2021 9890 355 9751 962 8743 981 7373 983 a) Determine the regression line equation. b) þraw the best fit line at the scatter plot using regression line equation you obtained in (a). c) Compute the value of the correlation coefficient and comment. d) Compute the value of coefficient determination and comment.

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Question 3
The following data shows the cumulative number of booster doses, x and the number of positive
COVID-19 cases, y in Malaysia from 1 October 2021 until 10 October 2021.
Date
Positive cases, y
Booster doses, x
1/10/2021
11889
20
2/10/2021
10915
24
3/10/2021
9066
29
4/10/2021
8075
149
5/10/2021
8817
253
6/10/2021
9380
289
7/10/2021
9890
355
8/10/2021
9/10/2021
9751
962
8743
981
10/10/2021
7373
983
a) Determine the regression line equation.
b) þraw the best fit line at the scatter plot using regression line equation you obtained in (a).
c) Compute the value of the correlation coefficient and comment.
d) Compute the value of coefficient determination and comment.
Transcribed Image Text:Question 3 The following data shows the cumulative number of booster doses, x and the number of positive COVID-19 cases, y in Malaysia from 1 October 2021 until 10 October 2021. Date Positive cases, y Booster doses, x 1/10/2021 11889 20 2/10/2021 10915 24 3/10/2021 9066 29 4/10/2021 8075 149 5/10/2021 8817 253 6/10/2021 9380 289 7/10/2021 9890 355 8/10/2021 9/10/2021 9751 962 8743 981 10/10/2021 7373 983 a) Determine the regression line equation. b) þraw the best fit line at the scatter plot using regression line equation you obtained in (a). c) Compute the value of the correlation coefficient and comment. d) Compute the value of coefficient determination and comment.
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