Given the set: # {1,3,x,-2,-9,12} #, for what x would the mean of the set be 0? Statistics Organizing and Summarizing Data Measures of Center 1 Answer Daniel L. Nov 28, 2015 The value of #x# is #(-5)#. Explanation: The mean #bar(x)# is the sum of all numbers divided by their quantity. If the mean is to be equal to zero, then the sum should also be zero. So we are looking for the solution of equation: #1+3+x-2-9+12=0# #5+x=0# #x=-5# Answer link Related questions How do the different measures of center compare? What is the difference between the sample mean and the population mean? How do you find the median of a set of values when there is an even number of values? What is the median for the following data set: 10 8 16 2 What is the median for the following data set: 10 8 16 2 100 We say that the median is a resistant measure, whereas the mean is not a resistant measure. ... A course has 2 sections, Section A and Section B. On the last exam, Section A's 10 students had... A course has two sections, Section A and Section B. On the most recent exam, Section A's 10... Jane has scores of 84, 92, and 89 on her first 3 exams. What does she need to score on the next... The median is called a resistant measure, whereas the mean is a non-resistant measure. What's a... See all questions in Measures of Center Impact of this question 1405 views around the world You can reuse this answer Creative Commons License