Find point estimate of proportion of people in population
50 people are selected randomly from a certain population and it is found that 13 people in the sample are over 6 feet tall. What is the point estimate of the proportion of people in the population who are over 6 feet tall?
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A teacher gave a reading test to a class of 5th grade students and computed the mean, median and mode for the test scores. Which of the following statements cannot be an accurate description of the scores?
Question: An instructor graded a large number of midterm exams and she considers that the test scores are normally distributed with a mean of 70 and a standard deviation of 10.
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