TABLE 2-18 The Stem-And-Leaf Display Below Shows the Result of a Survey

question 87

Short Answer

TABLE 2-18
The stem-and-leaf display below shows the result of a survey on 50 students on their satisfaction with their school with the higher scores represent higher level of satisfaction.

-Referring to Table 2-18, what was the lowest level of satisfaction?

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Definitions:

Pearson Correlation

A measure of the linear correlation between two variables X and Y, giving a value between -1 and 1 which indicates the extent of their linear relationship.

Coefficient

A numerical or constant factor in a mathematical equation that multiplies a variable.

Spearman Rank-Order

An approach that doesn't rely on parameters to gauge the correlation of ranks, examining the extent to which a monotonic function can accurately represent the linkage between two variables.

Nominal Level

The simplest level of measurement that classifies data into distinct categories within which no order or ranking can be inferred.