14 The mean test score on a standardized test is 216 the

Last updated: 2/3/2023

14 The mean test score on a standardized test is 216 the standard deviation is 52 127 98 236 192 267 335 217 365 472 177 15 The mean age of students in a school is 16 4 years the standard deviation is 1 5 13 17 18 15 16 14 15 18 17 16 15 16 13 16 A set of values has a mean of 67 and a standard deviation of 8 Find the z score of the value 70 17 A set of values has a mean of 102 and a standard deviation of 12 Find the z score of the value 135 18 The monthly utility bills in a city have a mean of 70 and a standard deviation of 8 Find the e z scores that correspond to utility bills of 60 71 and 92 What can you conclu 19 A highly selective university will only admit students who place at least 2 standard deviations above the mean on the ACT that has a mean of 18 and a standard deviation of 6 What is the minimum score that an applicant must obtain to be admitted 20 A pharmaceutical company wants to test a new cholesterol drug The average cholesterol of the target population is 200 mg and they have a standard deviation of 25 mg The company wished to test a sample of people who fall between 1 5 and 3 standard deviations above the mean Into what range must a candidate s cholesterol level b