Useful tips for everyday
Is the independent variable a random variable? An independent random variable is a random variable that doesn’t have an effect on the other random variables…
What is the probability of having joker on a 54 piece deck of cards? Probability of both joker together is (2*53!) ÷(54!) So answer is…
How is histogram used in real life? The primary use of a Histogram Chart is to display the distribution (or “shape”) of the values in…
How long should you run an ad campaign for? Generally speaking, the ideal campaign, especially a branding campaign, runs for about three months. The exact…
How would you describe a Bland-Altman plot? Bland–Altman plot is a graphical method to plot the difference scores of two measurements against the mean for…
How do you plot two graphs in Excel with different scales? Excel 2013 and Excel 2016 Start by creating a chart with just one axis.…
What is perfect prediction? A complete separation in a logistic regression, sometimes also referred as perfect prediction, happens when the outcome variable separates a predictor…
How does p-value relate to z-score? p-value indicates how unlikely the statistic is. z-score indicates how far away from the mean it is. There may…
What is the hypothesis for a one-sample t-test? null hypothesis Similar tests The paired t–test is a special case of the one-sample t-test; it tests…
Which is the best method for clustering 1D data? KDE is maybe the most sound method for clustering 1-dimensional data. With KDE, it again becomes…