ways of analyzing data

A medical researcher wishes to test the effects of two diets and the time of day on the sodium level in a person's blood. Twenty people are randomly selected, and five are randomly assigned to each of the four groups. Find F A × B and analyze the data shown in the tables h..

Comparing center and spread: within group, between group variation Comparing clusters and gaps Comparing outliners and other unusual features Comparing shapes Exploring bivariate data: Analyzing patterns in scatterplots Correlation and linearity Least-squares r..

Chris played a maze game 13 times. There are 5 ways to exit the maze. Chris went through different ways to exit. Using the following data, find the experimental probability of Chris going through way B. Way to exit Number of times Chris went through..

Introduction - Facts and figures as such do not catch our attention unless they are presented in an interesting way. Graphical representation of data is one of the most commonly used modes of presentation. The different types of graphs that we are going to study are 1. Bar graph..

In a two-way ANOVA, factor A has six levels and factor B has five levels. The number of data values in each group is seven. Find the degrees of freedom for factor A and factor B . => 7, 6 or 5, 4 or 6, 5 or 20, 180..

In a two-way ANOVA, variable A has three levels and variable B has five levels. The number of data values in each group is four. Find the degrees of freedom for for factor A , factor B , factor A × B and for the within (error) factor. => 3, 5, 15, 45 or 2, 4, 8, 45 or 3, 5..

The following data represent clotting times (mins) from three subjects treated in three different ways. The plasma samples were allocated randomly to the treatments and the analysis was repeated three times for each sample. Write the levels of (i) first, (ii) second variable and..

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..

Vant Hoff, analyzing the available data on osmotic pressure of solutions concluded that osmotic pressure of dilute solutions varied with their concentration and temperature in the same way as pressure of the gas. He enunciated some laws for solutions which are parallel..

Multiple approaches to solve problems Techniques to study patterns and analyze data Problems related to personal income and credit Problems related to financial planning Transformations, symmetr..