Answer:
What economic incentives were open to settlers who moved out west>
A) Raids by Native Americans from that area on the wagon trains moving through the territory.
B) Western Land offered at lower prices or free by the US government.
C) Opportunity to sail to foreign lands.
D) Opportunity to move into Mexico.
Explanation:
Answer:
A. If a drug found in drinking water is not a significant public health hazard, then its presence in the water will not have any discernible health effects.
Explanation:
The researchers' maintained a point of view that, the low levels of the drugs found in the water poses no significant threat to public health.
Therefore their reasoning would be most strengthened by the answer "A" chosen above because it implies that;
low levels of the drugs have been present in water over time, and yet, no health effects have been detected previously. Therefore, even if the technology to detect such low levels of the drugs is now available, it shouldn't change the fact that such levels of the drug is still not a significant health hazard.
B, the president is quite social lol
The correct answer is letter C.
Explanation: Random Assignment it can determine causal relationships in the population.
Answer:
Independent test using the t-test
Explanation:
Independent test using the t-test. The independent t-test compares the mean of two different groups. It determines whether there is any statistical evidence that is associated with the population means that is different. The independent t-test is a parametric test.
There are different names of these test areas:
- Independent t-test
- Independent measure t-test
- Independent sample two t-test
- Student t-test
- Two t-test
- Unpaired t-test
- Unrelated t-test
- Variables are being used named as
- Dependent variable/test variable
- Independent variable/Grouping variable
