from the data find out the range of values centered about the mean in which 99.7% of the data is found.mu = 85 sigma = 4.

From the data find out the range of values centered about the mean in which 99.7% of the data is found. μ = 85, σ = 4. => 81 to 89 or 77 to 81 or 73 to 97 or 77..

It is obtained by adding the raw scores and dividing the sum by the number of items. Suppose the raw scores are x 1 , x 2 , x 3 ,, x N then, mean where M = mean x = each score or item N = number of items = sigma, which means 'summation of ' Fin..

The average of data values in a data set is called _______. => range or mean or mode or median..

Constructing and interpreting graphical displays of distributions of univariate data: Dotplot, stemplot, histogram, cumulative frequency plot Center and spread Clusters and gaps Outliners and other unusual features Shape Summarizing distributions of univari..

The difference between the greatest value and the least value of the numbers in a set of data is called ________. => range or mode or median or mean..

The data of the number of family care homes and care centers per country at 95% confidence levels are shown. Can we conclude that the average number of family care homes is less than that of care centers? Give the critical value also. Family care homes 26 50 ..

A recent survey by a broadcasting company revealed that the number of viewers of different T.V channels in U.S.A are as recorded. Choose the appropriate box-and-whisker plot for the data and find the mean number of T.V viewers. Number of viewers of different T.V channe..

The data corresponding to the level of red blood cells in men and women of 27 years of age is given. Find the test value and check whether the means differ at 99% confidence. Men 3.06 2.87 3.6 3.52 Women 1.34 1.70 2.9 1.5 => 2.808, the means..

The data corresponding to the salaries paid to the nurses in private hospitals and government hospitals are shown. At 90% confidence, find the critical value and verify if their means vary significantly. Private Government X ‾ 1 = $20000 X ‾ 2..

The mean deviation (M.D) of a statistical data is defined as the arithmetic mean of the numerical values of the deviations of the items from some average. For an individual series, For a frequency distribution, If M.D is calculated about ..