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HLTB15H3 Chapter : HLTA10 Ch 7

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harlequinworm30
4 Jan 2012
School
UTSC
Department
Health Studies
Course
HLTB15H3
Professor
Caroline Barakat

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Related Questions

Which of the following statements best represents the relationship between statistical power and effect size?

A) Statistical power is a measure of the ability to correctly reject the null hypothesis which becomes harder to do when the effect size, or difference between groups, decreases.
B) Statistical power is a measure of how different two groups are, and effect size measures the ability to reliably detect that difference. As power increases, effect size will also increase.
C) Statistical power and effect size are independent and unrelated measures.
D) Statistical power is a measure of the ability to correctly reject the null hypothesis which becomes harder to do when the effect size, or difference between groups, increases.

Biology Multiple Choice Questions!!


.
What does a ?2 test analyze?
A. the difference between three or more means
B. the difference between two means
C. the difference between observed data and a predicted model
D. the difference between two data sets
E. none of the above
2.
In a ?2 statistical analysis, what does it mean if thecalculated ?2 value is less than the critical ?2 value?
A. nothing, the statistical test is not valid
B. the observed data are not statistically different from theexpected model
C. the observed data are statistically different from the expectedmodel
D. the two means tested are statistically significant
E. the two means tested are not statistically significant
3.
In a ?2 statistical analysis, what does it mean if thecalculated ?2 value is more than the critical ?2 value?
A. nothing, the statistical test is not valid
B. the observed data are not statistically different from theexpected model
C. the observed data are statistically different from the expectedmodel
D. the two means tested are statistically significant
E. the two means tested are not statistically significant
4.
In Mendel

A probability distribution for all possible values of a sample statistic is known as
A.normal distribution
B. uniform distribution random c.sampling sampling distribution
D.sampling distribution

A function of a random variable which describes the probability that random variable is
Select one
A.Probability distribution function
B. Discrete random variable
C. Sampling distribution function
D. Continuous random variable

Consider the normal distribution the vanability is increased and the height of the curve is decreased for the
A. Larger value of standard deviation
B. Smaller value of mean
C. Smaller valie of stabdard deviation
D. Larger value of mean

The sampling destination of the sample mean is a distribution of
A. Sample statistic /estimator
B. individual population values
C. individual sample values
D. Population parameters


The sampling distribution of the mean is distribution of
A. Sample statistic
B. Population parameters
C. individual population values
D. individual sample values