Question Details

261.Given a set of data with a mean of 150 and a standard deviation of 20. Using Chebyshev's Theorem, what

is the minimum percentage of data between 110 and 190?

262.Given a set of data with mean of 150 and a standard deviation of 25. Using Chebyshev's Theorem, what

is the minimum percentage of data between 75 and 225?

263.Determine the median of the data set 95,86,78,90,62,73,89,92,84,76.

264.Compute the sample standard deviation of the data set 6,4,2,1,4,1

265.If 50 of 500 sampled customers said they would make a purchase of a new TV set, what is the sample

proportion?

266.Describe the shape of a population distribution, if the median is greater than the mean.

267.In a normally distributed population, what tolerance interval contains 68.26 percent of all measurements?

268.In a normally distributed population, what tolerance interval contains 95.44 percent of all measurements?

269.In a normally distributed population, what tolerance interval contains 99.73 percent of all measurements?

270.What are three important properties of any data set?