Survival function – parametric analysis for Distribution Overview Plot (Right Censoring)

The survival function is located in the lower left corner of the distribution overview plot.

The survival plot depicts the probability that the item will survive until a particular time. Thus, the survival plot shows the reliability of the product over time. The Y-axis displays the probability of survival and the X-axis displays the reliability measurement (time, number of copies, miles driven).

When you hold your pointer over the survival curve, Minitab displays a table of times and survival probabilities.

Example output

Interpretation

For the engine windings data, a survival function for each temperature variable is shown on the survival plot. At a temperature of 80° C, the probability of engine windings surviving at least 50 hours is 66%. At a temperature of 100° C, the probability of engine windings surviving at least 50 hours is about 36%. Both survival functions are based on a lognormal distribution.

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