Question

Question 17 (2.5 points) A characteristic that describes a sample is called a Statistic Parameter Mean Meter Question 18 (2.5 points) Sensitivity of a test shows the proportion of people who have disease and test positive True False Question 19 (2.5 points) Body Mass Index (BMI) is an example of what kind of data? discrete nominal ordinal continuous Question 2012 5 points)

Answer 1

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Q.17. The correct option is ,a, statistic . It is a numerical value that describes the characteristics of given sample. Parameter describes characteristics of population. Mean is average value of numbers. Meter is measurement of length.

Q.18. The given statement is true, sensitivity of a test defines the diseased population which test positive for disease. It is useful to identify the diseased patient in a group. It can be used in mass screening analysis but it must be specific.

Q.19. The correct option is d, continuous . Continuous data is based on range of numerical value , for example weight, height, mass, volume , etc. Discrete data doesn't come under range of values. Example is price, speed , etc. Nominal data is used to label something. Ordinal data means to arrange in ordered manner.

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