ch 1 part 4 reviews

Question 1

When do hypotheses become theories?

Answer 1

when hypothesis unlikely to be altered by any new evidence
when Exceptionally well supported hypotheses
Broader in scope than hypotheses.

Question 2

Examples of theories :

Answer 2

theory of evolution by natural selection, big bang theory

Question 3

where the length of bars are proportional to the measure of data

Answer 3

bar graph

Question 4

a graph that uses lines to connect individual data points

Answer 4

line graph

Question 5

type of graph that represents the data in the circular graph

Answer 5

pie chart

Question 6

a set of analytical and mathematical tools designed to help researchers gain understanding from the data they gather.

Answer 6

Statistics

Question 7

Drawing conclusions based on __________ is risky.

Answer 7

limited observations

Question 8

Drawing Conclusions Based on Statistics :

Answer 8

The greater the difference and
the smaller the variation between two groups

Question 9

individuals make scientific-sounding claims that are not supported by trustworthy, methodical scientific studies

Answer 9

pseudoscience

Question 10

based on only one or a few observations, people conclude that there is or is not a link between two things.

Answer 10

Anecdotal observations

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