Question 5 complete marked out of 1000 flag question

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Question Complete Marked out of 10.00 5 Flag question Question 5 (10 points) Below you are given the ages of a sample of 10 college students who are enrolled in statistics. 17 19 20 22 24 24 29 31 34 64 1. Compute the median (2 points) 2. Determine the 25th percentile (2 points) 3. Determine the range (2 points) 4. Determine the IQR (2 points) 5. Identify all outliers, if any (2 points) 1) median is 24 2) 19.75 or 20 3) 64 -17 = 47
4) Lower quartile (xL): 19.75 Upper quartile (xU): 31.75 31.75 - 19.75 = 12 5) Highest outlier 64 Lowest outlier 17 Question 6 Complete Marked out of 8.00 Flag question Question 6 (8 points) Part A The average age of students in a career college is 28 years with a standard deviation of 12 years. It is known that the age of the students follows a normal distribution. 1. What is the probability that a randomly selected student is older than 32 years? (2 points) 2. Fill in the blank: 25% of the students are older than ______ years? (2 points) Part B 12 accounting records were randomly selected from a large accounts receivable portfolio. 30% of the records in the portfolio are managed by Susan. 1. What is the probability that exactly 4 of the 12 records selected are managed by Susan? (2 points) 2. What is the probability that at most 4 of the 12 records selected are managed by Susan? (2 points)
Question Complete Marked out of 8.00 Flag question Question 7 (8 points) In a completely randomized experimental design, 5 experimental units were used for each of the 4 levels of the factor (i.e., 4 treatments): Source of Variation Sum of Squares Degrees of Freedom Mean Square F Between Treatments 4302 Error (Within Treatments) 8019 Total 12321 1. Fill in the blanks in the following ANOVA table (There are 6 unknown numbers). (3 points) 7

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