NORMAL DISTRIBUTION Flashcards
1
Q
the area under the part of the normal curve that lies within 1 STANDARD DEVIATION
A
68.26%
2
Q
the area under the part of the normal curve that lies within 2 STANDARD DEVIATIONS
A
95.44%
3
Q
the area under the part of the normal curve that lies within 3 STANDARD DEVIATIONS
A
99.74%
4
Q
mean = median = mode
A
normal distribution
5
Q
how far from sample / population mean a data point is
A
z-score / standard score (z)
6
Q
P (-2.25 < z < 0)
A
0.4878