Multiple Choice
You are taking a class with a large number of students.The professor notes that the midterm exam scores were bell-shaped but doesn't tell you the mean.You take a random sample of 10 students and construct a 95% confidence interval for the mean exam score.Now the professor wants to give everyone 5 extra points on the exam.How will your confidence interval change?
A) The sample mean will increase by 5 points and the margin of error will also.
B) The sample mean will increase by 5 points but the margin of error will stay the same.
C) The sample mean will stay the same but the margin of error will increase by 5 points.
D) Both the sample mean and the margin of error will remain unchanged.
Correct Answer:
Verified
Correct Answer:
Verified
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