Active control equivalence studies (aces), Applied Statistics

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Active Control Equivalence Studies (ACES)

Clinical trials the field in which the object is easy to show that the new treatment is  as good as the existing treatment. Such type of studies is becoming quite widespread due to the present therapies which re?ect prior successes in the development of the new treatments and cures. The studies rely on the implicit historical control supposition, since to conclude that a new drug is ef?cacious or not on the basis of this type of study needes a fundamental assumption that active control drug would have performed much better than the placebo, had a placebo been made in use while the trial.

Variance, Variance The term variance was used to describe the square of...

Variance The term variance was used to describe the square of the standard deviation by R.A.Fisher. The concept of variance is highly important in areas where it is possible to

Anova, how do you find if two way or one way

how do you find if two way or one way

Dispersion.., discuss the advantages and disadvantages of measures of dispe...

discuss the advantages and disadvantages of measures of dispersions

Express the null hypothesis, Examine the given statement, then express the ...

Examine the given statement, then express the null hypothesis H0 and the alternative hypothesis H1 in symbolic form. The mean weight of women who won a beauty pageant is equal t

Measurement errors models, How can we analyse data with four bilateral resp...

How can we analyse data with four bilateral response variables measured with errors and three covariated measured without errors?

Assumptions in anova, Assumptions in ANOVA The various populations f...

Assumptions in ANOVA The various populations from which the samples are drawn should be normal and have the same variance. The requirement of normality can be discarded if t

Simple random sampling, Simple Random Sampling In Simple Random Sampli...

Simple Random Sampling In Simple Random Sampling each possible sample has an equal chance of being selected. Further, each item in the entire population also has an equal chan

Mode for grouped data, Grouped Data For calculating mode from a...

Grouped Data For calculating mode from a frequency distribution, the following formula   Mode = L mo +  x W where,

B) Distinguish between:, X 110 120 130 120 140 135 155 160 165 155 ...

X 110 120 130 120 140 135 155 160 165 155 Y 12 18 20 15 25 30 35 20 25 10

Median, Median Median is a position average. It is the value of middle ...

Median Median is a position average. It is the value of middle item of a variable when the items are arranged according to their values either in ascending or descending order.