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January 2026

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For her statistics project, Freda wants to find the proportion of high school students who believe learning math is necessary, regardless of their future majors. She conducts a survey on her statistics classmates and fin...
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Which of the following are characteristics of an alternative hypothesis? Select the two correct answers.(1 point) Responses it challenges the default position in research it challenges the default position in research it...
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Drag and drop the word into the correct location. (1 point) Put responses in the correct response input area to answer the question. Select a response, navigate to the desired input area and insert the response. Response...
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Question The Jackson Heart Study focused on understanding cardiovascular disease among African Americans. Researchers gathered data through regular physical exams, detailed medical histories, and lifestyle surveys with p...
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Question Select the correct answers from the lists.(1 point) Decide whether the following case study is an observational or experimental study and explain your reasoning. In the Salk Polio Vaccine Study, researchers stud...
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Decide whether each question could be answered with an observational study or an experimental study.(2 points) Observational Study Experimental Study How does the introduction of mindfulness practices in the workplace im...
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Which of the following questions could be answered by an experimental study?(1 point) Responses How do different sleep patterns affect cognitive performance in adults? How do different sleep patterns affect cognitive per...
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Which sentence uses personification?(1 point) Responses “We’re all just players, dancing furiously on a stage that’s part playground, part prison,” she grumbled. “We’re all just players, dancing furiously on a stage that...
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Question For the upcoming school year, Jordan Elementary School is deciding among the aquarium, natural history museum, or science museum for their school field trip. The school sent out a survey to the homes of 40 rando...
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A software company is designing a new note-taking application to use on tablets, targeting college students. The company wants to know how likely students who take notes on their tablets will be to use the new app. If th...
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Match the type of irony with the correct example.(2 points) Put responses in the correct response input area to answer the question. Select a response, navigate to the desired input area and insert the response. Response...
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Madison is curious about the effectiveness of certain cleaning products on reducing the growth of bacteria. She examines the size of bacteria colonies on the surface of a counter before and after spraying it with each pr...
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Which word could you use to describe a red zinnia more precisely than pretty?(1 point) Responses aromatic aromatic attractive attractive colorful colorful beautiful
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What was one of the main ethical issues in the Tuskegee experiment?(1 point) Responses Participants were studied online through social media. Participants were studied online through social media. Participants were given...
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Drag and drop the word into the correct location.(1 point) Put responses in the correct response input area to answer the question. Select a response, navigate to the desired input area and insert the response. Responses...
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Which data collection method should be applied for the given scenario? You are starting a healthy dog treat company and want to know the price people are willing to pay. Method #1: interview Method #2: survey Method #3:...
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A student used statistical data from academic journals to support their thesis on renewable energy. Describe which type of data source was used in this study and explain your reasoning.(1 point) The data source used in t...
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Decide whether each of the following survey questions is statistical or nonstatistical.(2 points) Statistical Nonstatistical How many hours do football players spend on homework each week? What is the most popular ice cr...
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Why does the government need to handle market failures?(1 point) Responses The natural forces of a free market do not tend to fix market failures due to individuals and producers making decisions based on their own self...
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What does excludability mean for goods and services?(1 point) Responses The good or service has a higher social cost than private cost. The good or service has a higher social cost than private cost. The good or service...
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What is a positive externality?(1 point) Responses Positive externalities occur whenever there is a private benefit to a good or service. Positive externalities occur whenever there is a private benefit to a good or serv...
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What is a negative externality?(1 point) Responses Negative externalities are goods or services that one consumer can limit another consumer's use of. Negative externalities are goods or services that one consumer can li...
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What is a public good?(1 point) Responses A public good is a product or service that one consumer cannot prevent another consumer from using, and is not accessible without payment. A public good is a product or service t...
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Why does the free enterprise system tend to keep the quality of products high?(1 point) Responses The government regulates the products to ensure that the quality remains high. Control of the price ensures that it remain...
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Why does the free enterprise system help keep prices low?(1 point) Responses Producers must lower their price to differentiate their product in the market. Producers must lower their price to differentiate their product...
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