Relationship between P distribution and Z (standard normal ) distribution

Ordinary least square or Residual Sum of squares (RSS) — Here the cost function is the (y(i) — y(pred))² which is minimized to…

p value can be interpreted as the probability that the null hypothesis is correct. So higher the…

Unlike the inferential statistics, hypothesis testing is about confirming a…

Objective — Find the mean of the population from some samples, within a confidence level and confidence interval.

Steps —
1. Find the mean of one sample : xbar
2. Find the number of elements in the sample : n
3. Find the standard deviation of the sample : s
4…

I) IDENTIFYING CONFIDENCE LEVEL GIVEN CONFIDENCE INTERVAL

Whenever ‘distribution’ word is used, it is generally referred to probability distribution function (PDF). The x-axis of…