C, d and e for this question please Elementary Statistics Departmental Final Exa

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C, d and e for this question please Elementary Statistics Departmental Final Exam PartI (Form A) EmplID:_2 3213329 Problem #1 (12 points) For their statistics project, a group of students visited 25 pharmacies at random locations in Manhattan and recorded the number of people waiting on line at the prescription counter at exactly 6 pm. The students organized the data in the following frequency distribution table: Variable Frequency 0 5 a. For this scenario, identify the following . Variable-mbe eeople oan tiee (1 point) (1 point) (1 point) Individual (Subject) Pcople n ine. Sample at People to lin25 Pharmact es . What percentage of pharmacies had at least 4 people waiting on line? (2 points) 2.5 . Draw a relative frequency histogram for the data. Label axes and units. (3 points

Explanation / Answer

c) sample mean = (0*1 + 1*4 +2*4 +3*6 + 4* 8+ 5* 2 )/( 25) = 2.88

d) In a random sample of 25 manhattan pharmecies, there were on average 2.88 people waiting in the counter at 6 pm

e) I agree with the statement because data came from a sample representation ( which was random)

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