Evaluating Statistical Claims: Observational Studies and Experiments MCQ Quiz in मराठी - Objective Question with Answer for Evaluating Statistical Claims: Observational Studies and Experiments - मोफत PDF डाउनलोड करा

Evaluating Statistical Claims: Observational Studies and Experiments Question 1:

A survey of 700 shoppers found that 65% prefer shopping online over in-store shopping. Based on this, which statement is accurate?\n\nI. 65% of all shoppers prefer online shopping.\nII. If another survey is conducted, the same result will be found.\nIII. Online shopping is more popular than in-store shopping in the entire country.

Evaluating Statistical Claims: Observational Studies and Experiments Question 2:

A company conducted a survey of 800 employees and found that 75% were satisfied with their job benefits. Which of the following statements must be true?

Evaluating Statistical Claims: Observational Studies and Experiments Question 3:

A random sample of 200 people from a city found that 55% support a new public transportation initiative. What can be inferred from this survey?\n\nI. 55% of the entire city supports the initiative.\nII. Another sample of 200 people would yield the same result.\nIII. The initiative is likely to pass a citywide vote.

Evaluating Statistical Claims: Observational Studies and Experiments Question 4:

In a study of 1,500 households, 70% reported having at least one pet. Which of the following conclusions is valid?\n\nI. 70% of all households in the region have a pet.\nII. A similar survey would yield the same percentage.\nIII. Most households in neighboring regions have pets.

Evaluating Statistical Claims: Observational Studies and Experiments Question 5:

A bakery surveyed 500 customers and found that 60% prefer chocolate cake over vanilla cake. Based on this survey, which of the following statements must be true?

I. 60% of all customers prefer chocolate cake over vanilla cake.

II. If another survey of 500 customers is conducted, 60% will prefer chocolate cake.

III. The majority of all customers in the city prefer chocolate cake.

Evaluating Statistical Claims: Observational Studies and Experiments Question 6:

In an experiment, a researcher randomly selected 50 high school students from a single high school in a town to test a new learning app designed to improve vocabulary. The results showed a significant increase in vocabulary scores after using the app. What is the largest population to which these results can be generalized?

Evaluating Statistical Claims: Observational Studies and Experiments Question 7:

A fitness program was tested using a random sample of 25 adults from a single gym. The participants showed a significant improvement in physical fitness after 6 weeks. To which group can the study results be generalized?

Evaluating Statistical Claims: Observational Studies and Experiments Question 8:

A university conducted a survey on student satisfaction with campus facilities using a random sample of 60 students from one dormitory. The survey revealed high satisfaction levels. To what population can these findings be generalized?

Evaluating Statistical Claims: Observational Studies and Experiments Question 9:

A study was conducted on the effectiveness of a stress-relief program using a random sample of 45 employees from one department of a corporation. The results indicated a decrease in stress levels. To whom can these results be generalized?

Evaluating Statistical Claims: Observational Studies and Experiments Question 10:

A nutritionist studied the effects of a diet plan using a random sample of 30 participants from a local community center. Results showed a significant reduction in weight. To which group can these results be generalized?