Biostats Exam

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15 Terms

1
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<p>Graph type? y-axis 0-n</p>

Graph type? y-axis 0-n

Frequency Histogram

2
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<p>Graph type? y-axis 0-1</p>

Graph type? y-axis 0-1

Relative Frequency Histogram

3
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<p>Graph Type?</p>

Graph Type?

Cumulative Frequency Histogram 

4
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<p>Graph Type?</p>

Graph Type?

Cumulative Relative Frequency Histogram 

5
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<p>Graph Type?</p>

Graph Type?

Cumulative Frequency Ogive

6
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<p>Graph Type?</p>

Graph Type?

Cumulative Relative Frequency Ogive

7
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<p>Common with qualitative data, what type of graph is this?&nbsp;</p>

Common with qualitative data, what type of graph is this? 

Bar Graph

8
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<p>graph type?</p>

graph type?

Line Graph

9
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x̄ = Σx / n

Mean

10
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= (n+1)/2

median

11
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s² = Σ(x – x̄)² / (n – 1)

Variance

12
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√s²

Standard Deviation

13
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= (s / x̄) × 100%

Coefficent of Variation

14
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Σ(wx)/Σw

weighted mean

15
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= (x – x̄)/s

Z-score