1.) Based on a survey of a few thousand people, a newspaper reporter wants to draw conclusions about how a country’s citizens in general feel about the war in Iraq. At this point, is the reporter mainly concerned with data production, displaying and summarizing data, probability, or performing statistical inference?

My answer: Performing statistical inference

2.) A New York Times reporter decides to convey information about American divorce rates by including a nap of the United States. Each state is shaded from light to dark depending on how high its divorce rate is. At this point, is the reporter mainly concerned with data production, displaying and summarizing data, probability, or performing statistical inference?

My answer: Displaying and summarizing date

3.) One-third of all nursing home patients with Alzheimer’s and other forms of dementia are given feeding tubes. Researches want to know how unlikely it would be to find more than half in a random samples of 100 such patients to have been given feeding tubes. Are the researches mainly concerned with data production, displaying and summarizing data, probability, or performing statistical inference?

My answer: Probability

Are these right or wrong? Thanks!

All are right.

Your answers are correct!

1.) The reporter is mainly concerned with performing statistical inference because they want to draw conclusions about the country's citizens in general based on a survey of a few thousand people. Statistical inference involves using sample data to make inferences or generalizations about a larger population.

2.) The reporter is mainly concerned with displaying and summarizing data because they want to convey information about American divorce rates by using a map to visually represent the data. Displaying and summarizing data involves presenting information in an organized and visual manner.

3.) The researchers are mainly concerned with probability because they want to determine how unlikely it would be to find more than half of the random sample of 100 patients to have been given feeding tubes. Probability involves measuring the likelihood of certain events occurring.

Your answers are correct!

1.) The newspaper reporter, based on a survey, wants to draw conclusions about how a country's citizens in general feel about the war in Iraq. In this scenario, the reporter is mainly concerned with performing statistical inference. Statistical inference involves making conclusions or predictions about a population based on sample data.

2.) The New York Times reporter wants to convey information about American divorce rates by including a map of the United States, shading each state based on its divorce rate. Here, the reporter is mainly concerned with displaying and summarizing data. Displaying data in a visual format, such as with a map, helps to provide a clear and concise summary of the information.

3.) The researchers are interested in determining how unlikely it would be to find more than half of a random sample of 100 nursing home patients with Alzheimer's and other forms of dementia to have been given feeding tubes. In this case, the researchers are primarily concerned with probability. Probability deals with calculating the likelihood of certain events occurring, and in this scenario, the researchers are interested in assessing the likelihood of finding a particular proportion of patients with feeding tubes in a random sample.