Frequency Distribution and Frequent Flier Miles
award:
8.33 out of
16.66 points
For the following questions, would you collect information using a sample or a population? |
(a) | To calculate the percentage of car owners in New York City | | | | Population |
(b) | To know how many different private airlines provide service in the United States | | | | Sample |
(c) | To estimate weekly earnings of computer programmers in United States | | | | Sample |
(d) | To find the marks of a class of 20 students in a physics exam | | | | Population | eBook Link
award:
0 out of
16.66 points
From the data in the Statistical Abstract of United States represented below with details, choose the kind of scale that can be used to measure them. |
Index Name | Price | Containers and Packaging | 162.69 | Food Retailers and Wholesalers | 213.41 | Industrial Transportation | 373.43 | Retailers | 371.73 | | | Nominal | | Ordinal | | Ratio | | Interval |
award:
16.66 out of
16.66 points
Two thousand frequent business travelers are asked which midwestern city they prefer: Indianapolis, Saint Louis, Chicago, or Milwaukee. 120 liked Indianapolis best, 430 liked Saint Louis, 1360 liked Chicago, and the remainder preferred Milwaukee. Develop a frequency table and a relative frequency table to summarize this information. (Round relative frequency to 3 decimal places.) | City | Frequency | Relative Frequency | Indianapolis | 120 | 0.060 | St. Louis | 430 | 0.215 | Chicago | 1,360 | 0.680 | Milwaukee | 90 | 0.045 | |
(a) | What is this chart called? | | | | Histogram |
(b) | What is the total number of frequencies? | | | | 100 |
(c) | What is the class interval? | | | | 5 |
(d) | What is the class frequency for the 25 to 30 class? | | | | 10 |
(e) | What is the relative
8.33 out of
16.66 points
For the following questions, would you collect information using a sample or a population? |
(a) | To calculate the percentage of car owners in New York City | | | | Population |
(b) | To know how many different private airlines provide service in the United States | | | | Sample |
(c) | To estimate weekly earnings of computer programmers in United States | | | | Sample |
(d) | To find the marks of a class of 20 students in a physics exam | | | | Population | eBook Link
award:
0 out of
16.66 points
From the data in the Statistical Abstract of United States represented below with details, choose the kind of scale that can be used to measure them. |
Index Name | Price | Containers and Packaging | 162.69 | Food Retailers and Wholesalers | 213.41 | Industrial Transportation | 373.43 | Retailers | 371.73 | | | Nominal | | Ordinal | | Ratio | | Interval |
award:
16.66 out of
16.66 points
Two thousand frequent business travelers are asked which midwestern city they prefer: Indianapolis, Saint Louis, Chicago, or Milwaukee. 120 liked Indianapolis best, 430 liked Saint Louis, 1360 liked Chicago, and the remainder preferred Milwaukee. Develop a frequency table and a relative frequency table to summarize this information. (Round relative frequency to 3 decimal places.) | City | Frequency | Relative Frequency | Indianapolis | 120 | 0.060 | St. Louis | 430 | 0.215 | Chicago | 1,360 | 0.680 | Milwaukee | 90 | 0.045 | |
(a) | What is this chart called? | | | | Histogram |
(b) | What is the total number of frequencies? | | | | 100 |
(c) | What is the class interval? | | | | 5 |
(d) | What is the class frequency for the 25 to 30 class? | | | | 10 |
(e) | What is the relative