z=\frac{\left(x-\mu\right)}{\frac{\sigma}{\sqrt{n}}}
Z: critical value
\sigma\colon : population standard deviation.
n: sample size
\mu\colon population mean
Frequently asked questions (FAQs)
What is the median of the set of numbers {4, 6, 8, 10}?
+
What is the measure of angle XYZ if angle XYD = angle ZYD and side XY = side YZ?
+
Q: Given that angle ADC is a tangent-chord angle, in circle O with chord AC, if angle BOC = 120°, find angle CDA.