Answer: c) predictive validity
Explanation: predictive validity refers to how likely an event is to happen
Answer:
C. a bias
Explanation:
A bias is defined as a systematic error, in other words is when the average results does not give an accurate result.
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Answer:
De León's research was in response to ( and criticizing)the federal border enforcement policy. The policy turned a blind eye, and did not stop the crossing of migrants in high risk areas, that were characterized by extreme environmental conditions, that were life threatening.
Explanation:
The four major fields De León used were:
- Forensic Science
- Ethnography
- Archaeology
- Linguistics
Answer:
Each island was founded by a colonizer, perhaps from a mainland, and divided up ecological niche space as they diversified into the four species present.
Explanation:
Phylogenetic analysis is the study of determining the evolutionary relationships of species. Phylogenetic is important because it makes us understand how different species evolves.
In the given context, four species of the lizards in the four Caribbean Island are descended from the four separate common ancestor of four different species.
Thus it can be concluded that each of the four Caribbean Island was founded by a lizard species colonized to that area or might have come from the main land and played an important role in the ecological niche as they varied and expand into present four species.
Hence the answer is ---
Each island was founded by a colonizer, perhaps from a mainland, and divided up ecological niche space as they diversified into the four species present.
Answer: t=-5.651
Explanation:
Let 
be the population mean number of hours a week answering their email.
As per given we have
Sample size : n= 783
Sample mean : 
Sample standard deviation: s=7.23
Since population standard deviation is unknown, so our test -statistic has a t-distribution.
Test statistic : 
∴ The test statistic : t=-5.651
