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Two researchers measured the pH (a scale on which a value of 7 is neutral and values below 7 are acidic) of water collected from rain and snow over a 6-month period in a city. Describe their data with a graph and a few sentences. 4.29 5.15 4.49 4.51 4.38 4.33 4.58 4.31 4.77 4.27 4.46 4.42 4.33 4.39 4.27 5.07 5.07 4.92 Choose the correct stem-and-leaf display below (42| 7 means 4.27). A. OB. 51 5 50 13389 Oc. 51 5 50 77 OD. 51 5 50 18 515 50 77 49 2 49 269 49 49 2 48 47 7 46 45 77 44 13389 43 269 42 779 48 18 47 48 2 48 477 46 45 18 44 269 43 13389 42 779 47 46 18 46 7 45 45 269 44 2 43 77 42 779 44 13389 437 42 779 Which of the following best describes the graph? O A. It's skewed to the left, possibly bimodal with one fairly symmetric group near 4.4 and another at 5.0. The outlier in the middie seems not to belong to either group. OB. I's symmetric and unimodal. C. It's skewed to the right and multimodal. O D. I's skewed to the right, possibly bimodal with one fairly symmetric group near 4.4 and another at 5.0. The outlier in the middle seems not to belong to either group.

Two researchers measured the pH (a scale on which a value of 7 is neutral and values below 7 are acidic) of water collected from rain and snow over a 6-month period in a city. Describe their data with a graph and a few sentences. 4.29 5.15 4.49 4.51 4.38 4.33 4.58 4.31 4.77 4.27 4.46 4.42 4.33 4.39 4.27 5.07 5.07 4.92 Choose the correct stem-and-leaf display below (42| 7 means 4.27). A. OB. 51 5 50 13389 Oc. 51 5 50 77 OD. 51 5 50 18 515 50 77 49 2 49 269 49 49 2 48 47 7 46 45 77 44 13389 43 269 42 779 48 18 47 48 2 48 477 46 45 18 44 269 43 13389 42 779 47 46 18 46 7 45 45 269 44 2 43 77 42 779 44 13389 437 42 779 Which of the following best describes the graph? O A. It's skewed to the left, possibly bimodal with one fairly symmetric group near 4.4 and another at 5.0. The outlier in the middie seems not to belong to either group. OB. I's symmetric and unimodal. C. It's skewed to the right and multimodal. O D. I's skewed to the right, possibly bimodal with one fairly symmetric group near 4.4 and another at 5.0. The outlier in the middle seems not to belong to either group.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
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Two researchers measured the pH (a scale on which a value of 7 is neutral and values below 7 are acidic) of water collected from rain and snow over a 6-month period in a city. Describe their data with a graph and a few sentences. 4.29 5.15 4.49 4.39 4.51 4.38 5.07 4.33 4.58 4.31 4.27 4.46 4.42 4.33 4.27 5.07 4.92 4.77 Choose the correct stem-and-leaf display below (42 7 means 4.27). A. O B. 51 5 50 13389 49 269 48 18 Oc. OD. 515 50 77 49 2 48 47 7 46 45 18 44 269 43 13389 42 779 515 50 18 49 2 515 50 77 49 48 47 7 48 2 47 47 46 45 77 44 13389 43 269 42 779 46 7 45 44 2 46 18 45 269 43 77 42|779 44 13389 437 42 779 Which of the following best describes the graph? O A. It's skewed to the left, possibly bimodal with one fairly symmetric group near 4.4 and another at 5.0. The outlier in the middle seems not to belong to either group. B. It's symmetric and unimodal. C. It's skewed to the right and multimodal. O D. It's skewed to the right, possibly bimodal with one fairly symmetric group near 4.4 and another at 5.0. The outlier in the middle seems not to belong to either group.
Transcribed Image Text:Two researchers measured the pH (a scale on which a value of 7 is neutral and values below 7 are acidic) of water collected from rain and snow over a 6-month period in a city. Describe their data with a graph and a few sentences. 4.29 5.15 4.49 4.39 4.51 4.38 5.07 4.33 4.58 4.31 4.27 4.46 4.42 4.33 4.27 5.07 4.92 4.77 Choose the correct stem-and-leaf display below (42 7 means 4.27). A. O B. 51 5 50 13389 49 269 48 18 Oc. OD. 515 50 77 49 2 48 47 7 46 45 18 44 269 43 13389 42 779 515 50 18 49 2 515 50 77 49 48 47 7 48 2 47 47 46 45 77 44 13389 43 269 42 779 46 7 45 44 2 46 18 45 269 43 77 42|779 44 13389 437 42 779 Which of the following best describes the graph? O A. It's skewed to the left, possibly bimodal with one fairly symmetric group near 4.4 and another at 5.0. The outlier in the middle seems not to belong to either group. B. It's symmetric and unimodal. C. It's skewed to the right and multimodal. O D. It's skewed to the right, possibly bimodal with one fairly symmetric group near 4.4 and another at 5.0. The outlier in the middle seems not to belong to either group.
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