mean median & mode

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..

Select the correct statement(s) on the standard normal distribution curve. I. The curve is sinusoidal (of the shape of sine curve). II. It is unimodal. III. The mean, median and mode are equal. IV. Area under the curve is assumed as 1. => II and IV only or III and IV only or II,..

Dennis 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? => Mean or Median..

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..

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..

Select the correct statement(s). I. A point estimate is a specific numerical value estimate of a parameter. II. The sample mean is a better estimator of the population mean than the sample median or sample mode. III. Of all the statistics that can be used to estimate a..

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 of the following is true for the data set? 45, 30, 35, 40 and 25 => Median = 36, Range = 30 and Mean = 36 or Median = 35, Range = 22 and Mean = 34 or Median = 35, Range = 20 and Mean = 37 or Median = 35, Range = 20 and ..

Which measure of central tendency is most appropriate for a data that describes the heights of grade 5 students? => mode or outlier or mean or median..