3 points) The length (in pages) of math research projects is given below thing this information, calculate the mean and the standard deviation regarding the dats sat as sample 25, 11, 28, 23, 17, 34, 40, 17, 20 sampki mean sample standard deviation Homework 32 Meas Vanato Proble 5 User Settings 3.2 Measures of Variation: Prol Previous Problem Problem List Nil Problem (1 point) If the average low temperature of a winter montti in Rochester N and the standard deviation is 4.2, then according to Chebyshev's thourem percentage of average low temperature in Rochester, NY botween 8.6 catast Now use the sano data set, but this time regard it as a pripalation Calculate the mean and the standard deviation population mean- population standard deviation- Problems Problem 1 Pt2 Preview My Answers Submit Answers You have attempted this problem 0 tmos You have ursimited attempts remaining Email instructor