Z-Scores/Table
The equation for a z-score
What is (x-m)/(stdev/sqrt n)
Equation for degree of freedom.
What is n-1?
A way to estimate population average, or M.
What is a confidence interval?
When a false result has a positive outcome.
What is a false positive?
The value that we use to determine whether we reject or accept the alternate hypothesis
What is the p-value?
This T-Score corresponds to the number 16.02.
What is 2.235?
This Z-score corresponds to a 90% confidence interval.
What is 1.645?
When a negative result occurs from a positive result.
What is a false negative?
This Z-score corresponds to the number -2.05.
What is .0202?
This number corresponds to a T-Score of 3.012.
What is 13.005?
This Z-score corresponds the 99% confidence interval.
What is 2.576?
The decimal used when a Type 1 error is worse than a type 2.
What is .01?
This Z-score corresponds to the number .54
What is .3669
When T-value=1.079, and degree of freedom=13, the p-value is this.
What is .15?
xbar=45.3
Sx=11.3
N=10
z=1.96
What is 38.2962-52.3038?
The decimal used when a Type 2 error is worse than a type 1.
What is .1?
The Z-score .0023 corresponds to this number.
What is -2.83?
When the T-value=1.771, and the p-value is .05, the degree of freedom is this.
What is 13?
People go to see 10% of the movies that come out. You surveyed 100 people, created a confidence interval at 90%.
What is .05 and .14?
People go to see 10% of the movies that come out. You surveyed 100 people, and created a claim that 15% of people go to the movies.
What is .08?