median over mean

What is the empirical relation between mean, median and mode? => mode = mean - 1 3 (mean - median) or mean = 3 median - mode or mean - mode = 3(mean - median) or mean - mode = 2 3 (mea..

Which of the following statement(s) is/are true? I. If a student secured 75th percentile in an exam, then it means that he scored 75 out of 100. II. A statistic that tells the number of standard deviations a data value is above or below the mean is called z score. III. The distr..

Tim has taken an aptitude test 8 times and his scores are 96, 98, 98, 105, 36, 87, 95 and 93. Is mean or median the better measure of central tendency? => Median or Mean..

Which of the following controls the spread of normal curve? I. standard deviation II. mean III. median IV. mode => III and IV only or II only or III only or I only..

Select the true statement(s). I. The measure of central tendency used in exploratory data analysis is mean. II. The measure of central tendency used in z score is median. III. The mean and standard deviation is better than five-number summary for describing a skewed di..

Describe which measure of central tendency - mean, median, or mode was probably used in each situation. Answer in order. I. One half of the gross domestic product (GDP) of country A comes from more than 42.5% of its citizens. II. Computation of per-capita income in several count..

Identify the incorrect statement. I. Mean is the sum of values divided by the total number of values. II. Median is the middle point in data set that has been ordered. III. Mode is the highest value in the data set. IV. Midrange is the difference between the highest value and th..

Which of the following statement(s) is/are true? I. The population mean is represented by the Roman letter X ‾ . The sample mean is represented by the Greek letter μ . II. The measures that determine the spread of the data values are called measures of dispersion. III..

Which measure of central tendency is the most appropriate for a data set that describes the average sales of a company for various years? => median or mean or mean and median or mode..

The difference between the greatest and the least value in a set of data is called ________. => range or mode or median or mean..