22. Which one of the following is among the 4 of the 7 basic quality tools of qu

Question

22. Which one of the following is among the 4 of the 7 basic quality tools of quality that is based on statistics? a ISO 9000s b. Acceptance sampling c. Rum charts d Reliability 23. Which is the scale of measure type of data where values are mutually excusive in a logical order scaled at 0 reflects the absolute of the chaacteistic? Ratio b. Ordinal c. Interval d Scalar 24. All ofthe following are statistical measure of dispenin ecpt which one.. a Standard deviation b. Weighted average c. Kurtosis d Range 25. Bars of the histogram should not be touching or have gaps when.. a Datais continuous b. When the categories are attributes rather than variables C. The mean isever number d. The data is discreet 26. Which of the following is specifically related to the standard devistion? a Precision (Spread) b. Ratio data c. Mean d. Interval data e Ungrouped data f Accuracy (Center) g. Grouped data 27. Which one of the following is specifically related to the peakedness of the data? Not Mode) a Kurtosis b. Mode c Correlation coefficient d. Variance 28. For the nomal curve approximately 63.20% of the data will fill between which one of the following? a -1 standard deviation of the mean b. +/-2 standard devistion of the mean c. +-3 standard deviation of the mean d. +-6 standard deviation of the mean

Explanation / Answer

22. The correct choice is Option (a) ISO 9000's. (Ans).

23. The correct choice is Option (a) Ratio Scale. (Ans).

24. Weighted average doesn't measure dispersion. Hence Option (b) is the correct choice. (Ans).

25. Bars will not touch when the data is qualitative i.e. when the categories are attribute rather than variable. Hence, Option (b) is the correct choice. (Ans).

26. Precision or spread specifically related to standard deviation. Hence, Option (a) is the correct choice. (Ans).

27. Kurtosis measures the peakness of the data. Hence, Option (a) is the correct choice. (Ans).

28. The correct choice is: Option (a) +/- 1 standard deviation of the mean. (Ans).

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