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Concept explainers
(a)
To find: The will you be collecting quantitative or qualitative data.
(a)
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Answer to Problem 39PPE
The collecting quantitative or qualitative data is the number of pets
Explanation of Solution
Given information:
The given statement is families of students attending your school have.
Calculation:
Calculate the statement is
The breed f dog which is a qualitative approach and the number of pets
Therefore, the collecting quantitative or qualitative data is the number of pets
(b)
To find: The population and sampling method.
(b)
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Answer to Problem 39PPE
The population and sampling method of the data taken over small area.
Explanation of Solution
Given information:
The given statement is families of students attending your school have
Calculation:
Calculate the statement is
The sampling method refers to the data taken over small area.
Therefore, the population and sampling method the data taken over small area
(c)
To find: The display the results in a graph.
(c)
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Answer to Problem 39PPE
The data then go to insert option then plot the graph is shown in the graph (1)
Explanation of Solution
Given information:
The given statement is families of students attending your school have
Graph:
Consider the table given above in a excel spreadsheet as shown is the graph (1)
Graph (1)
Therefore the data then go to insert option then plot the graph is shown in the graph (1)
(d)
To find: The poll every fifth person at a popular local sandwich shop.
(d)
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Answer to Problem 39PPE
The survey every tenth person leaving a bicycle repair store sample is biased.
Explanation of Solution
Given information:
The given statement is writing a article for the school newspaper about support of the mayor’s proposal for bike paths
Calculation:
Calculate the statement is
Then survey every
Substitute the value
Therefore, the survey every tenth person leaving a bicycle repair store sample is biased.
Chapter 12 Solutions
High School Math 2011 Algebra 1 Student Companion Grade 8/9
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