data values

Find the minimum value of the data set. 4, 18,19,17, 5, 9, 6, 13, 2, 10 => 4 or 17 or 2 or 19..

Find the mean of 5, 10, 15, 20, 25 and 30. Increase each value by 15 and find the mean of the new data. Are the two means the same? => 17.5, 17.5, yes or 17.5, 32.5, no or 17.5, 35, no or 17.5, 32.5, yes..

The data shows the deaths related to bad weather over 6 years. Find the F-test value and verify whether the variances differ at 90% confidence level. => 7.68, differ or 9.33, do not differ or 5.05, differ or 4.96, do not differ..

The data corresponding to the number of left handed people of 20 offices of two cities is as shown. Check out if both the mean values differ significantly for 95% and 98% confidence levels. => means do not differ at 95% and differ at 98% or means do not differ at both 95% and 98..

Which of the following statement(s) is/are true? I. The population mean is represented by the Roman letter X ‾ . The sample mean is represented by the Greek letter μ . II. The measures that determine the spread of the data values are called measures of dispersion. III..

In a two-way ANOVA, factor A has a levels and factor B has b levels. The number of data values in each group is n . Find the degrees of freedom for factor A × B (Interaction) and for the Within (error) factor. => a - 1, b - 1 or a + 1, b + 1 or a , b or ( a - 1)( b - 1), a..

Identify the incorrect statement(s). I. For an open-ended frequency distribution, Mean is the best average. II. Mean and Midrange are not effected by extremely high or low values in a data set. III. Bimodal is a data set with two modes. IV. Mode is the easiest average ..

There are two things that should be done before doing regression analysis. They are: I. Collect the data and then construct a scatter plot to determine the nature of the relationship. II. Collect the data and construct a histogram. III. Compute the value of the correla..

The data in the table appears in a memoir of Karl-Pearson. Use the Yates correction for continuity to calculate the chi-square test value at α = 0.05. => 133.32 or 3.841 or 131.83 or 38.41..

The statement "If each value in a set of data is multiplied by a constant ' a ' and is decreased by a constant ' b ', then the mean of the new set of data is equal to ' a ' times the mean of the original set of data decreased by a constant ' b ' ", is _______..