Loose Ends for Semester 1 Flashcards
1
Q
Relative frequency tables give
A
the count or percent
2
Q
Marginal distributions tell you
A
the totals in the rows and columns
3
Q
Conditional distribution
A
side by side or segmented by graphs
4
Q
the 5 number summary is
A
the minimum, maximum, quartiles and the median
5
Q
The proportions of all normal distributions are
A
68-95-99.7
6
Q
The squares regression line minimizes
A
the squared sums of the residuals
7
Q
the 4 main biases
A
non-responsive, voluntary response, convenience and under coverage
8
Q
In matched pairs design either
A
identical twins, or the same person with different treatments
9
Q
variables are confounded when
A
the explanation and response cannot be distinguished
10
Q
Continuous random variables
A
take all variables within some interval of numbers
