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Exam (elaborations)

Exam (elaborations) BST3190

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This is used when a conservative approach is desired and an expected cell frequency is less than 5 in a 2X2 table. - ANSWER Fisher's exact test It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable...

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  • April 29, 2024
  • 4
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • bst 322 final exam test answers 2023

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  • BST3190
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BST 322 Final EXAM
TEST ANSWERS 2023
This is used when a conservative approach is desired and an expected cell frequency is
less than 5 in a 2X2 table. - ANSWER Fisher's exact test

It is important to assess the magnitude or strength of a relationship because this assists
you with deciding whether or not a variable A causes variable B.
True or False - ANSWER False

A Z score of +/-1.96 is equivalent to these values on a normal distribution. - ANSWER
+/-2 standard deviations

When examining the relationship between two interval or ration level variables, you can
use a scatterplot to allow you to visualize the relationship between the two.
True or False - ANSWER True

This term refers to how data spreads out or disperses within a distribution. - ANSWER
Variability

A perfect negative relationship between two variables is expressed as r=0.
True or False - ANSWER False

The arithmetic average of the data is called the: - ANSWER Mean

Public Health nurses want to compare the mean weight of US 6th graders to a sample
of 6th graders in one school. Which statistical test is most appropriate - ANSWER One
sample t-test

Psych nurses wanted to evaluate the effect of three different treatments for anxiety -
positive imagery, therapeutic touch, and medication on anxiety score (interval data)
while controlling for the effect of length of stay. Which test is most appropriate? -
ANSWER ANCOVA

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