Podcast
Questions and Answers
In a Gaussian distribution, what is the likelihood (%) that a data point will be within ±1 standard deviation from the mean?
In a Gaussian distribution, what is the likelihood (%) that a data point will be within ±1 standard deviation from the mean?
- 99%
- 68% (correct)
- 95%
- 100%
What is the characteristic shape of a Gaussian distribution?
What is the characteristic shape of a Gaussian distribution?
- Skewed
- Uniform
- Rectangular
- Bell shaped (correct)
What does the correlation coefficient indicate in a linear regression?
What does the correlation coefficient indicate in a linear regression?
- Always expressed as 'b'
- Expresses method imprecision
- Strength of relationship in a linear regression (correct)
- Regression type used to derive slope and y-intercept
In a method comparison study, if two methods agree perfectly, what values do the slope and y-intercept equal?
In a method comparison study, if two methods agree perfectly, what values do the slope and y-intercept equal?
How can systematic error be best described?
How can systematic error be best described?
In a set of chloride results, what measure represents the middle value of the distribution?
In a set of chloride results, what measure represents the middle value of the distribution?
Which container is calibrated to hold only one exact volume of liquid?
Which container is calibrated to hold only one exact volume of liquid?
Which item does NOT require calibration in the clinical laboratory?
Which item does NOT require calibration in the clinical laboratory?
Which scenario is NOT considered a preanalytical error in laboratory procedures?
Which scenario is NOT considered a preanalytical error in laboratory procedures?
Which standard mandates accessible Safety Data Sheets (SDSs) for hazardous compounds?
Which standard mandates accessible Safety Data Sheets (SDSs) for hazardous compounds?
How should chemicals be stored in a laboratory according to safety guidelines?
How should chemicals be stored in a laboratory according to safety guidelines?
What type of Personal Protective Equipment (PPE) is essential for routine testing in a chemistry laboratory?
What type of Personal Protective Equipment (PPE) is essential for routine testing in a chemistry laboratory?
Which type of reference interval data distribution plot is not included in typical examples?
Which type of reference interval data distribution plot is not included in typical examples?
How is a reference range typically verified?
How is a reference range typically verified?
What are reference interval transference studies used for?
What are reference interval transference studies used for?
What does diagnostic specificity refer to?
What does diagnostic specificity refer to?
What is not part of the evaluation process for a moderately complex laboratory test?
What is not part of the evaluation process for a moderately complex laboratory test?
Which component is not included in an ROC?
Which component is not included in an ROC?
