MAT 142 Chapter Notes -Motor Oil, Standard Deviation
Document Summary
Video 1 measures of dispersion: the ______________________________ indicates the total spread of the data, the ______________________________ measures how much the data differs from the mean. Range = xmax xmin where xmax is the maximum value in a data set and xmin is the minimum value in a data set. Nine different employees were selected and the amount of their salary was recorded. $ 56,750 - range = 32,750 the sum of. Find the standard deviation of the following prices of selected washing machines: 684 684-514 28900 zqq 299 - 514 46225. Write down the steps to calculate the mean and standard deviation on your calculator: 1- var stats: data, enter, hit 2nd, hit stat - reg / distr. George surveyed the price of unleaded gasoline (self-service) at gas stations in glendale and tempe. 1- (cid:8869) = smaller the standard to the deviation = closer. The mean price for glendale was 3. 079 with a standard deviation of . 188.
