A study is conducted to see if diet has any effect on blood pressure. Four groups of 10 women each are given four types of diets. After 4 months, the blood pressures of the groups are compared.
I. What is the population?
II. What is the sample?
III. Is the study observational or experimental? Justify your answer.
IV. If observational, identify ALL variables. If experimental, identify ALL independent and dependent variables.
V. For each of the variables identified in part IV, list which of the four levels/scales of measurement was used to obtain data on these variables?
VI. Classify e

Question

A study is conducted to see if diet has any effect on blood pressure.  Four groups of 10 women each are given four types of diets.  After 4 months, the blood pressures of the groups are compared.
I. What is the population?
II. What is the sample?
III. Is the study observational or experimental?  Justify your answer.
IV. If observational, identify ALL variables.  If experimental, identify ALL independent and dependent variables.
V. For each of the variables identified in part IV, list which of the four levels/scales of measurement was used to obtain data on these variables?
VI. Classify e

anonymous · Answer

les?
VI. Classify each of the variables identified in part IV as either attribute or numerical.  ( this is the last part of problem

anonymous · Answer

can some one help please

anonymous · Answer

which part are you having trouble with? ALL of it?

anonymous · Answer

yes

anonymous · Answer

this is statistics

anonymous · Answer

well statistics isn't my best topic so i may not be able to help you

anonymous · Answer

im pretty sure the first part is 10people x 4groups = 40

anonymous · Answer

ok thanks for ut help higgs