A study to determine the correlation between bank deposits and consumer price indices in Birmingham, Alabama, revealed the following (which was based on n equals=5 years of data):
Upper SigmaΣx |
equals= |
15 |
Upper SigmaΣxsquared2 |
equals= |
55 |
Upper SigmaΣxy |
equals= |
70 |
Upper SigmaΣy |
equals= |
20 |
Upper SigmaΣysquared2 |
equals= |
130 |
a) The equation of the least square regression line is (round your responses to one decimal place): ModifyingAbove y with caretyequals=11plus+11x.
b) The coefficient of correlation,
r,equals=. 45.45 (round your response to two decimal places).
The correlation coefficient indicates that there is
a positive correlation between bank deposits and consumer price indices in Birmingham, Alabama.
c) The standard error of the
estimate equals = ? (round your response to two decimal places).
I skip the second part of a) because it is not clear what you want to ask. Do mention in the comment I will solve that too.
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