Mathematics, 03.05.2021 20:30 jalenshayewilliams

Ms. Martino always gives a very easy 10-question quiz in the first week of her classes. Over the years, the number of questions that students answer correctly on these quizzes has been strongly skewed to the left
with a mean of 9 correct answers and a standard deviation of about 2.5 correct answers.
Suppose we took random samples of 4 students and calculated as the sample mean number of questions
that the students answered correctly. We can assume that the students in each sample are independent.
What would be the shape of the sampling distribution of ?
Choose 1
Skewed to the left
Skewed to the right
Approximately normal
Unknown; we don't have enough information to determine the shape
7 of 9

Answers: 1

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