mean median and 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) ..

The data represents the percentage of children suffering from vascular diseases in 8 selected areas of 2 different countries. Find the mean, median, mode and midrange for country 1 and country 2. => Country 1: 8.263%, 7.92%, 2.9%, 8.225% ; Country 2: 6.116%, 3.88%, 2.9..

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..

Identify the incorrect statement(s). I. Mean is the most stable measure of central tendency. II. If the mean of a set of 6 observations is 8 and the mean of a set of 4 observations is 9, then the mean for the combined set of observations is 8.4. III. To compa..

Find the mean and mode of the dot plot as shown. => 5.5 & 25 or 5.5 & 25, 40 or 3.5 & 50 or 5.5 & 25, 50..

The number of ATM transactions of a particular bank recorded at 12 locations in a city on a day are as follows. 24, 42, 210, 69, 38, 72, 59, 44, 96, 21, 318, 66 Find the median and mean of the number of transactions. Which is greater, median or mean? => 62.5,..

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..

Identify the incorrect statement(s). I. For an open-ended frequency distribution, Mean is the best average. II. Mean and Midrange are not effected by extremely high or low values in a data set. III. Bimodal is a data set with two modes. IV. Mode is the easies..

Which of the following statement(s) is/are true? I. The mode for the traffic fatalities for 10 selected states in a specific year (1488, 1586, 4192, 1031, 645, 74, 158, 875, 3360, 325) is zero. II. The mode is not always unique for a data set. III. The midrange of 2, 3, 6, 8, 4,..