Biometry

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Complications

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22 Terms

1

Complications

________ arise when reporting means and variability around the means following transformation.

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2

Violations

________ are more serious if sample sizes are small> (30 Zar 2010), you are doing a 1- tailed test, or your sample sizes are severely unbalanced.

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3

Radians

________ vs degrees .. Ugh.

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4

Central Limit Theorem

________: at some large n even means of samples from a non- normal population will approach normality (even means from Poisson & Binomial distr .)

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5

JMP

________ calculates the Wilcoxon Test which is equivalent to the Mann- Whitney test.

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6

Calculations

What are similar except not comparing to an "expected? Answer with a single words or term.

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7

Dev

________= Dispersion, difference to detect= effect size.

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8

Experimental error

________ introduced into the study due to variability between subjects can be accounted for.

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9

F

________= (Between Group Variability /Within Group Variability)= (MS- group /MS- error)

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10

HA

________: Captures of male and female Age 0 Ohio shrimp are related to month.

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11

H0

________: Age 0 male & female Ohio shrimp captures at McCallie Access, Mississippi River are not associated (do not differ) with month.

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12

Similar reporting issues

________ (square the transformed mean & calculate CI's) The ArcSine Transformation.

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13

Sugar

________ will have an F value, pH will have an F value, ________ x pH (interaction between 2 variables) will have an F value.

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14

Sample size

________ gives Big N. Remember to divide N /k # of groups.

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15

Assess normality

________ using residuals as in one- way ANOVA (will require re- entering data in traditional form)

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16

Subject

________ goes through Treatment 1 and then Treatment 2, but it going through the 1st Treatment may have affected its response.

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17

DV

________: Y- variable: (Eye size)

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18

Pig mass

________ varied significantly with type of food (One way ANOVA, F (subscript numerator df (model) denominator df (error)), p- value)

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19

ANCOVA

________: Analysis of Covariance, 2 X- variables that are Continuous & CategoricalANCOVA Requirements.

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20

Power

________= 1- Beta.

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21

SE

________- a measure of the sampling error or uncertainty in the sample mean as an estimate of the population meanConfidence Intervals & the Student's t distribution (will never test over confidence intervals)

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22

Residuals

What are normally distributed and variances are homogenous? Answer with a single words or term.

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