STAT HW 1.1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| How is a sample related to a population? | show 🗑
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| What is the difference between a parameter and a statistic? | show 🗑
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| Determine whether the statement is true or false. If it is false, rewrite it as a true statement. A statistic is a measure that describes a population characteristic. | show 🗑
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| show | Population, because it is a collection of the number of floors for all buildings in the city.
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| Determine whether the data set is a population or a sample. Explain your reasoning. The carbon monoxide levels of of people who escaped a burning building | show 🗑
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| show | The number of floors in each building in a city.
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| show | Choose the correct description of the population.
The parties of registered voters
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| Use the Venn diagram to identify the population and the sample. The parties of registered voters who are gun owners The parties of registered voters who are not gun owners | show 🗑
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| show | The responses of all U.S. adults
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| show | The 1021 U.S. adults selected
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| show | 44.7 % of the 1021 U.S. adults who have a favorable view of Cuba and 55.3% of the 1021 U.S. adults who do not.
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| Identify the population and the sample. Describe the sample data set. A survey of 141 law firms in a country found that the average hourly billing rate for partners was $639. Identify the population. Choose the correct answer below. | show 🗑
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| show | the law firms that were surveyed
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| show | The average hourly billing rate for 141 partners of law firms was $639.
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| Determine whether the underlined value is a parameter or a statistic. A study of 6,076 adults in public restrooms found that 23% did not wash their hands before exiting, Is the value a parameter or a statistic? | show 🗑
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| show | The number is a population parameter because it is a numerical description of all of the passengers that survived.
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| Determine whether the underlined number describes a population parameter or a sample statistic. A survey of 2208 adults in a country found that 83% think that militant terrorists are a major threat to the well-being of their country. | show 🗑
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| show | 56% of women in the sample are the primary investor in their household.
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| show | There is an association between U.S. women and being the primary investor in their household.
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| Suppose a survey of 985 homeowners found 31% bought flood insurance . Which part of the survey represents the descriptive branch of statistics? Choose the best statement of the descriptive statistic in the problem. | show 🗑
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| show | Most homeowners do not buy flood insurance.
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| show | The inference may incorrectly imply that exercise
increases a person's cognitive ability. The study shows a slower decline in cognitive ability.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
aarell82