Graph A and Graph B both show the carbon dioxide emission, in thousands of metric tons, from a local power plant for the years 2016 through 2023. (Both graphs show exactly the same data.) 100- 90- 80- 70- 60+ 50- 40- 30- 20- 10+ Graph A Carbon dioxide emission (in thousands of metric tons) 2016 2017 2018 2019 2020 2021 2022 2023 98- 96- 94- 92- Graph B Carbon dioxide emission (in thousands of metric tons) 2016 2017 2018 2019 2020 2021 2022 2023 (a) Give a rough estimate of the change in yearly carbon dioxide emission from 2016 to 2023. (Choose the best answer.) ○ It increased by about 10%. It more than doubled. It decreased by a factor of 10, so in 2023 the yearly carbon dioxide emission was only of what it was in 2016. 10 It increased by a factor of 10, so in 2023 the yearly carbon dioxide emission was 10 times what it was in 2016. (b) Approximate to the nearest whole number (in thousands of metric tons) the change in the yearly carbon dioxide emission from 2016 to 2023. thousand metric tons (c) Which of the two graphs is more likely to be misleading? Why? (Choose the best answer.) In Graph A, the heights of the bars are visually similar, which suggests there was a relatively small increase in the yearly carbon dioxide emission. In Graph B, the heights of the bars look very different, suggesting that there was a dramatic increase in the yearly carbon dioxide emission. Therefore, Graph A could mislead a person into thinking that the increase in the yearly carbon dioxide emission between 2016 and 2023 was smaller than it really was. In Graph A, the heights of the bars look very different, suggesting that there was a dramatic increase in the yearly carbon dioxide emission. In Graph B, the heights of the bars are visually similar, which suggests there was a relatively small increase in the yearly carbon dioxide emission. Therefore, Graph A could mislead a person into thinking that the increase in the yearly carbon dioxide emission between 2016 and 2023 was larger than it really was. ○ In Graph A, the baseline is at 0, so the heights of the bars have the same relative size as the actual levels of carbon dioxide emission. In Graph B, the baseline is at 90 instead of 0, which exaggerates the differences between the levels of carbon dioxide emission. Therefore, Graph B could mislead a person into thinking that the increase in the yearly carbon dioxide emission between 2016 and 2023 was larger than it really was. In Graph A, the differences between the levels of carbon dioxide emission are exaggerated. In Graph B, the heights of the bars have the same relative size as the actual levels of carbon dioxide emission. Therefore, Graph B could mislead a person into thinking that the increase in the yearly carbon dioxide emission between 2016 and 2023 was smaller than it really was.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Question

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Graph A and Graph B both show the carbon dioxide emission, in thousands of metric tons, from a local power plant for the years 2016 through 2023. (Both
graphs show exactly the same data.)
100-
90-
80-
70-
60+
50-
40-
30-
20-
10+
Graph A
Carbon dioxide emission
(in thousands of metric tons)
2016 2017 2018 2019 2020 2021 2022 2023
98-
96-
94-
92-
Graph B
Carbon dioxide emission
(in thousands of metric tons)
2016 2017 2018 2019 2020 2021 2022 2023
(a) Give a rough estimate of the change in yearly carbon dioxide emission from 2016 to 2023. (Choose the best answer.)
○ It increased by about 10%.
It more than doubled.
It decreased by a factor of 10, so in 2023 the yearly carbon dioxide emission was only
of what it was in 2016.
10
It increased by a factor of 10, so in 2023 the yearly carbon dioxide emission was 10 times what it was in 2016.
(b) Approximate to the nearest whole number (in thousands of metric tons) the change in the yearly carbon dioxide
emission from 2016 to 2023.
thousand metric tons
(c) Which of the two graphs is more likely to be misleading? Why? (Choose the best answer.)
In Graph A, the heights of the bars are visually similar, which suggests there was a relatively small increase in the
yearly carbon dioxide emission. In Graph B, the heights of the bars look very different, suggesting that there was a
dramatic increase in the yearly carbon dioxide emission. Therefore, Graph A could mislead a person into thinking that
the increase in the yearly carbon dioxide emission between 2016 and 2023 was smaller than it really was.
In Graph A, the heights of the bars look very different, suggesting that there was a dramatic increase in the yearly
carbon dioxide emission. In Graph B, the heights of the bars are visually similar, which suggests there was a
relatively small increase in the yearly carbon dioxide emission. Therefore, Graph A could mislead a person into
thinking that the increase in the yearly carbon dioxide emission between 2016 and 2023 was larger than it really
was.
○ In Graph A, the baseline is at 0, so the heights of the bars have the same relative size as the actual levels of carbon
dioxide emission. In Graph B, the baseline is at 90 instead of 0, which exaggerates the differences between the levels
of carbon dioxide emission. Therefore, Graph B could mislead a person into thinking that the increase in the yearly
carbon dioxide emission between 2016 and 2023 was larger than it really was.
In Graph A, the differences between the levels of carbon dioxide emission are exaggerated. In Graph B, the heights of
the bars have the same relative size as the actual levels of carbon dioxide emission. Therefore, Graph B could
mislead a person into thinking that the increase in the yearly carbon dioxide emission between 2016 and 2023 was
smaller than it really was.
Transcribed Image Text:Graph A and Graph B both show the carbon dioxide emission, in thousands of metric tons, from a local power plant for the years 2016 through 2023. (Both graphs show exactly the same data.) 100- 90- 80- 70- 60+ 50- 40- 30- 20- 10+ Graph A Carbon dioxide emission (in thousands of metric tons) 2016 2017 2018 2019 2020 2021 2022 2023 98- 96- 94- 92- Graph B Carbon dioxide emission (in thousands of metric tons) 2016 2017 2018 2019 2020 2021 2022 2023 (a) Give a rough estimate of the change in yearly carbon dioxide emission from 2016 to 2023. (Choose the best answer.) ○ It increased by about 10%. It more than doubled. It decreased by a factor of 10, so in 2023 the yearly carbon dioxide emission was only of what it was in 2016. 10 It increased by a factor of 10, so in 2023 the yearly carbon dioxide emission was 10 times what it was in 2016. (b) Approximate to the nearest whole number (in thousands of metric tons) the change in the yearly carbon dioxide emission from 2016 to 2023. thousand metric tons (c) Which of the two graphs is more likely to be misleading? Why? (Choose the best answer.) In Graph A, the heights of the bars are visually similar, which suggests there was a relatively small increase in the yearly carbon dioxide emission. In Graph B, the heights of the bars look very different, suggesting that there was a dramatic increase in the yearly carbon dioxide emission. Therefore, Graph A could mislead a person into thinking that the increase in the yearly carbon dioxide emission between 2016 and 2023 was smaller than it really was. In Graph A, the heights of the bars look very different, suggesting that there was a dramatic increase in the yearly carbon dioxide emission. In Graph B, the heights of the bars are visually similar, which suggests there was a relatively small increase in the yearly carbon dioxide emission. Therefore, Graph A could mislead a person into thinking that the increase in the yearly carbon dioxide emission between 2016 and 2023 was larger than it really was. ○ In Graph A, the baseline is at 0, so the heights of the bars have the same relative size as the actual levels of carbon dioxide emission. In Graph B, the baseline is at 90 instead of 0, which exaggerates the differences between the levels of carbon dioxide emission. Therefore, Graph B could mislead a person into thinking that the increase in the yearly carbon dioxide emission between 2016 and 2023 was larger than it really was. In Graph A, the differences between the levels of carbon dioxide emission are exaggerated. In Graph B, the heights of the bars have the same relative size as the actual levels of carbon dioxide emission. Therefore, Graph B could mislead a person into thinking that the increase in the yearly carbon dioxide emission between 2016 and 2023 was smaller than it really was.
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