The data from a study examining the association between diet and plasma retinol and beta-carotene levels are
Question:
The data from a study examining the association between diet and plasma retinol and beta-carotene levels are given in Nutrition Study. The data include 315 observations and 16 variables that are described in Appendix B.
(a) Indicate which of the variables are quantitative and which are categorical.
(b) Discuss one possible relationship of interest in this dataset between two categorical variables. Between two quantitative variables. Between one categorical and one quantitative variable.
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a The categorical variables are Smoke Vitamin Gender VitaminUse a...View the full answer
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Related Book For 
Statistics Unlocking The Power Of Data
ISBN: 9780470601877
1st Edition
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
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