Question 35: (1 point)Cayli is a BYU-Idaho student who worked as a swim team coach during her off track. Most of the members of her team swim similar race times. However, a couple members of the team swim rather slower than the rest. Which number would be best for describing how fast the majority of her swimmers typically swim?
(a)mean(b)minimum(c)mode(d)maximumx(e)median
Question 36: (1 point)Mrs. Keller is a 9th grade English teacher. After grading the first two exams in her class, she computed the mean and standard deviation for each exam. Mean Exam Score Standard Deviation of Exam ScoresExam #1818.7Exam #2784.5Which of the following best describes what the standard deviation tell Mrs. Keller about the exams.
Question 37: (1 point)Which of the following is the correct definition of standard deviationx
?
Question 38: (1 point)Newborn babies have heights that are all very similar to one another.Which of the following would be the best measure of the center of the set of data consisting of heights of newborn babies?
Question 39: (1 point)Suppose a student scored in the 55-th percentile on a standardized test. What percent of students had a higher score on the test than
this student?
(a)50%(b)55%(c)27.5%x(d)45%(e)65%
Question 40: (1 point)Alexandra is using the Quantitative Reasoning Process to make a decision about what to major in at college. She is trying to decide between two majors. She finds the following data on the starting salary for graduates with each major:Mean Starting SalaryStandard Deviation of Starting SalarySeventy-fifth percentile for Starting SalaryMajor #1$45,000$2,000$48,000Major #2$45,000$19,000$68,000Which of the following interpretations of these statistics is correct?
