Measures of Central Tendency — MCQs

Which of the following statements is true for a left-skewed distribution?

Which of the following statements about the normal distribution curve is true?

Most appropriate measure for central tendency when data includes extreme values?

Which of the following is/are the measure(s) of dispersion? 1. Mode 2. Median 3. Standard Deviation Select the correct answer using the code given below:

Consider the following: 1. Standard deviation 2. Range 3. Mode 4. Median Among the above, which is/are the measure/measures of dispersion?

Which type of measurement scale is used to rank data without precise intervals, such as satisfaction levels?

"Sampling error" occurs due to the variation in results

The agreement (yes/no) between two observers is statistically measured by:

Match the following: Column A: a. Syphilis b. Chickenpox c. COVID-19 d. Hepatitis A Column B: 1. 6 Days 2. 90 Days 3. 16 Days 4. 28 Days

An AI model for detecting breast cancer on mammography shows sensitivity of 95% and specificity of 85% in a screening population with 1% disease prevalence. A study claims the AI outperforms radiologists who have 90% sensitivity and 90% specificity. Analyze why this comparison may be misleading.