Function betweenWithinCapability

Returns {
    betweenMethod: "sample" | "mr";
    confidence: number;
    control: QualityChart;
    countAbove?: number;
    countBelow?: number;
    Cp?: number;
    Cpk?: number;
    cpkCI: undefined;
    Cpl?: number;
    Cpm?: number;
    Cpu?: number;
    groups: number;
    intervals: {};
    kind: string;
    lsl?: number;
    mean: number;
    means: (number | null)[];
    n: number;
    observed?: { above: number; below: number; total: number };
    overall?: { above: number; below: number; total: number };
    Pp?: number;
    Ppk?: number;
    Ppl?: number;
    ppmOverall?: number;
    ppmWithin?: number;
    Ppu?: number;
    sigmaBetween: number;
    sigmaBW: number;
    sigmaMeans: number;
    sigmaOverall: number;
    sigmaWithin: number;
    sigmaWithinOnly: number;
    subgroupSize: number;
    target?: number;
    usl?: number;
    varianceBetweenRaw: number;
    warnings: string[];
    within?: { above: number; below: number; total: number };
    withinDF?: number;
    withinEstimator: WithinEstimate;
    zBench?: number;
}