Edward Mulyalya
Jan 7
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Jan 7
The formula for a z-test is:
z = (x - μ) / (σ / √n)
where:
- z is the z-score
- x is the sample mean
- μ is the population mean
- σ is the population standard deviation
- n is the sample size
The formula for a t-test is:
t = (x - μ) / (s / √n)
where:
- t is the t-score
- x is the sample mean
- μ is the population mean
- s is the sample standard deviation
- n is the sample size
z = (x - μ) / (σ / √n)
where:
- z is the z-score
- x is the sample mean
- μ is the population mean
- σ is the population standard deviation
- n is the sample size
The formula for a t-test is:
t = (x - μ) / (s / √n)
where:
- t is the t-score
- x is the sample mean
- μ is the population mean
- s is the sample standard deviation
- n is the sample size
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