A Recent Study Was Conducted to Determine If Any of Three

question 31

True/False

A recent study was conducted to determine if any of three suppliers of electronic components has a different median delivery time on special orders.To test this,five orders were given to each supplier and the delivery days were recorded.These data are shown as follows:
If a Kruskal-Wallis test is to be performed,the number of degrees of freedom for determining the critical value is 2.

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Definitions:

Interval

Generally, the distance between points on a scale. In research terms, interval refers to a scale in which there is an assumption of equal intervals between points on the scale.

Split Half

A reliability measure where a test is divided into two parts, and the scores on both halves are compared to assess the consistency of the test results.

Inter-Item

Pertaining to the relationship or correlation between different items or variables within a dataset or survey.

Validity

The extent to which a test, measure, or research study accurately represents or measures what it is intended to, ensuring the findings are truthful and applicable.