MATH 133: 3-4 Homework Chapter 4 Assignment Solutions Latest

MATH 133: 3-4 Homework Chapter 4 Assignment Solutions Latest. What does this exercise show about the standard deviation? The idea is to illustrate that the standard deviation is not a function of the value of the mean. correct Question 3. For each data set, answer the following questions. Click here for the Excel Data File (a-c) Find the mean, sample standard deviation–treating the data as a sample, and the population standard deviation–treating the data as a population. (Round your answers to 4 decimal places.) Sample A: Sample B: Sample C: Mean Sample Standard Deviation 3 3 3 Data Set A: 6, 7, 8 Data Set B: 4, 5, 6, 7, 8, 9, 10 Data Set C: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 Data Set A Data Set B Data Set C Mean 7 7 7 Sample Standard Deviation 1 2.16 3.8493 Population Standard Deviation 0. 2 3. 7739 (d) What does this exercise show? (You may select more than one answer. Click the box with a check mark for the correct answer and double click to empty the box for the wrong answer.) The sample standard deviation is larger than the population standard deviation for the same data set. Correct Samples can have similar means but different standard deviations. Correct The sample standard deviation is smaller than the population standard deviation for the same data set. Correct Question 4. The mean monthly rent of students at Oxnard University is $890 with a standard deviation of $206. (a) John’s rent is $1,395. What is his standardized z-score? (Round your answer to 3 decimal places.) z 2.4515 2.4515 correct. (b) Is John’s rent an outlier? Yes Correct (c) How high would the rent have to be to qualify as an outlier? John’s rent would have to be $ 1508 1508 correct. or higher to be considered an outlier.