Desmos Graphing Calculator
Math·Problem-Solving and Data Analysis·Inference from sample statistics and margin of error
mediumA sample was selected at random from a population. Based on the sample, it is estimated that the mean value of a variable for this population is 178, with an associated margin of error of 1.5. Based on the estimate and associated margin of error, which of the following best describes the range of plausible values for the population mean?
A
Any value between 175 and 178
B
Any value between 176.5 and 179.5
C
Any value less than 176.5
D
Any value greater than 179.5