A variable can - answer-take any of a range of specific values
Acceptance region - answer-The region where we accept the null hypothesis
Actual significance level of a hypothesis test - answer-The probability of incorrectly rejecting the null hypothesis
Age is always rounded - answer-down
...
Bivariate bara - answer-Data which has pairs of values for two variables.
Calculate estimates for the variance and standard deviation of the data in a grouped frequency
table using - answer-the midpoint of each class interval
Camborne - answer-UK, Southern, Coastal
Causal relationship - answer-Two variables have a causal relationship if a change in one
variable causes a change in the other.
Census - answer-Observes or measures every member of a population
Census advantages - answer-It should give a completely accurate result
Census disadvantages - answer-- Time consuming and expensive
- Cannot be used when the testing process destroys the item
- Hard to process large quantity of data
Class boundaries - answer-The class boundaries tell you the maximum and minimum values
that belong in each class
Class width - answer-The class width is the difference between the class boundaries
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