A magazine surveys a sample of its subscribers every year. Some of the responses are shown below.
a.How many variables are in the data set?
b.Name the scale of measurement for each variable.
c.Which of the above (Year, Percent Female, Average Age, Average Annual Household Income) are categorical and which are quantitative?
d.Are the data time series or cross-sectional?
Definitions:
Pre-Transcriptional
Pertaining to the regulatory events in gene expression that occur before the transcription of DNA to mRNA.
Histones
Proteins around which DNA winds, playing a crucial role in chromosome structure and gene regulation.
DNA Methylation
A biochemical process involving the addition of a methyl group to the DNA molecule, influencing gene expression without changing the DNA sequence.
Homologous Chromosomes
Pairs of chromosomes that have the same structure and gene sequence, one inherited from each parent.
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