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You want to estimate the average GMAT score for all students who took the Logitano GMAT Preparation course during the past 2 years.

You want to estimate the average GMAT score for all students who took the Logitano GMAT Preparation course during the past 2 years. You select a random sample of 100

such students from a comprehensive list of all students who took the course over the last two years and find that the average GMAT score for the sample was 1040. Suppose now you build a 95% confidence interval estimate of the average score for the population of Logitano students represented here and the interval turns out to be 1040 ± 10 points. How would you interpret your result ?


 A.We can be 95% confident that the interval 1030 to 1050 contains the average score for the entire population of Logitano students.

B.The score for 95% of all Logitano students will be between 1030 and 1050.

C.There is a 5% chance that not all Logitano students scored between 1030 and 1050.

D.We can be 95% confident that all of Logitano students scored between 1030 and 1050.

Top Answer

 A.We can be 95% confident that the interval... View the full answer

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