Answer the following statement(s) true (T) or false (F)
1. ? gives the estimate of a dependent variable based on any given value of the independent variable.
2. In regression, a one-tailed t-test is used to determine the level of statistical significance.
3. If the ratio of a sample slope to its standard error is greater than 1.96 with a large sample size, the estimate is statistically significant at the 0.01 level.
4. R2 is a Proportional Reduction in Error measure of association.
5. Linear regression can be used to track how a variable changes over time.
1. true
2. false
3. false
4. true
5. true
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__________ is holding information and not making it known to the public
Fill in the blanks with correct word
The case study of Phineas Gage is fascinating. In 1848 Gage was a railroad worker who was the victim of a horrible accident when an explosion caused a tamping iron to be shot through his skull
Gage survived but with several physical and psychological problems. The study of Gage after the accident provided scientists with great insight into the role of the brain in behavior. This is an example of a(n) ___________ case study. a. intrinsic b. instrumental c. descriptive d. comparative