Find out the standard deviation
A company had 80 employees whose salaries are summarized in the frequency distribution below. Find out the standard deviation. Find out the standard deviation of the data summarized in the given frequency distribution.
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Considering the distribution of calculates on a hard exam, you would expect to find out the greatest density of scores.
A teacher gave the reading test to a class of 5th grade students as well as computed the mean, median and mode for the test scores. Which of the following statements can't be an accurate description of the scores?
If the car runs over the nail at 55 mph and nail is lodged in tire tread 13 in. from center of wheel, then find angular velocity of nail in radians per hour?
A 25 cm long horizontal tube with the interior diameter of 1.2 mm consists of water flowing through it at 0.30 mL/s. Take the viscosity of water to be 1.00 mPa * s. Find out the pressure difference among the ends of the tube.
In a study evaluating the effectiveness of the new medication designed to control high blood pressure, one sample of individuals is given the medicine and a second sample is given an inactive placebo.
Blood takes around 1.0 s to pass via a 1:0 mm-long capillary. The diameter of the capillary is 7.0 μm and the pressure fall through the capillary is 2.60 kPa. Find out the viscosity of blood in mPa * s.
The distribution of annual returns on common stocks is roughly symmetric. What sample mean annual return (sample mean for the next 40 years before Andrew retires) would be higher than 80% of all samples mean annual returns?
A difference quotient of given funtion y=f(x) is stated as. Determine difference quotient for f(x)=3x-2. Illustrate the steps and substutution for the solution.
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