Ch. 6,7,8 symbols
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15 Terms
Za
The z-score such that the amount of area to the right of the z-score is α
Z𝛼/2
The z-score such that the amount of area to the right of the z-score is α/2
E
Margin of Error
a (1st definition)
Represents a small probability usually in the tails of a distributions
a (2nd definition)
Level of Significance – still represents a small probability in the tails of a
distributions
df
Degrees of Freedom
t
Random variable that follows a student’s t Distribution
𝑝^ (arrow is above the p)
sample proportion
p
Population proportion
H0
Null Hypothesis
H1
Alternative Hypothesis
p0
The population proportion reported in the null hypothesis
𝜇0
The population mean reported in the null hypothesis
z0
The test statistic associated with the hypothesis test of proportions
t0
The test statistic associated with the hypothesis test of means
