For the Following Set of Sample Scores,what Is the Z-Score

question 3

Multiple Choice

For the following set of sample scores,what is the z-score for a raw score of 23? 22,23,19,25,26,22,19,25,22,20,21,23,23,24,18,20,22,24,21,21,20,24,22,21,23

• A)1.25
• B)0.50
• C)0.34
• D)0.68

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Definitions:

Sample Mean

The average computed from a sample of data, representing the central tendency of the sample.

Large Sample Sizes

Refers to a substantial amount of data points in a sample, which facilitates more accurate estimates of the population parameter.

Degrees of Freedom

A concept in statistics that describes the number of values in the final calculation of a statistic that are free to vary when estimating parameters of a population.

Pooled Two-sample T Procedure

A statistical method that combines variances from two samples to test for a difference in means when the variances are assumed to be equal.