A researcher is interested in the relationship between age and anxiety. In 1965, she obtained a random sample of 20-year-olds and had them complete a measure of anxiety. She tracked down the same people fifty years later, in 2015, when they were 70 years old, and had them complete the measure of anxiety again. The measure of anxiety is such that a higher score reflects greater anxiety. The data are below.
20 yrs old
70 yrs old
3
6
1
9
2
9
2
8
Mean: 2
Mean: 8
SS: 2
SS: 6
Complete steps A-G to analyze the data.
A) What is the full name of the statistical test that you will use to analyze the data?
B) State the hypotheses in symbols and in words.
C) Locate the critical region.
D) Analyze the data
E) Make a decision about the hypotheses
F) State the results formally (jargon statement)
G) State the results in regular words (grandma statement)