Question

1.The head librarian at a public library releases a report. The report states that visitors to the library want the library to open one hour earlier on Saturdays. The report was based on a survey of the first 50 visitors to the library on a recent Saturday. Participants were asked the question, "Do you think the library should open one hour earlier on Saturdays?"

Select all statements that correctly evaluate the report. (select more than 1)



The sample is biased because it does not represent the population.

The question is biased toward a No response.

The sample is not biased.

The question is biased toward a Yes response.

The question is not biased.



2.The owner of a chain of dance studios releases a report to the media. The report shows that participation in dance classes has increased by 5% in each of the past three years.

Which statement describes the most likely reason the owner releases the report?



The owner wants people to believe that the chain of dance studios is a well-run business.

The owner wants people to believe that participation in dance classes will increase by 5% next year.

The owner wants people to believe that dance classes are popular so that they sign up for classes.

The owner wants people to believe that dance classes are a good form of exercise.



3.An association of art museums releases a study reporting that museums with restaurants have a greater number of annual visitors.

Which statement describes the best conclusion to draw from the study?



Not having a restaurant decreases the number of annual visitors to a museum.

Museums without a restaurant can increase their number of annual visitors by offering a restaurant.

Having a restaurant causes people to visit a museum more frequently.

There may be a correlation between having a restaurant and having a greater number of annual visitors.

Answer 1

1. I believe B.

2. C most likely.

3. D

Answer 2

1. "Do you think the library should open one hour earlier on Saturdays?"

The correct statements are :

A. The sample is biased because it does not represent the population.

D. The question is biased toward a Yes response.

Explanation for A:

This is a biased sample as all the members were not included in the study. Only 50 people does not represent a population.

Explanation for D:

It is obvious that the people who are the first to come to the library are very much keen to come early, so they will definitely say yes to the question. So, the option holds true to the fact that question is biased towards a yes response.

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2. The report shows that participation in dance classes has increased by 5% in each of the past three years.

The correct statement is :

The owner wants people to believe that dance classes are popular so that they sign up for classes.

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3. An association of art museums releases a study reporting that museums with restaurants have a greater number of annual visitors.

The correct statement is :

here may be a correlation between having a restaurant and having a greater number of annual visitors.

Correlation is an interdependent relation between two things.