quartiles

From 1980 to 1989, the winning scores of the British Open men's Golf championships were 281, 286, 294, 285, 286, 292, 294, 289, 283, and 285. Find the average of the three quartiles of the data. => 287.66 or 286.54 or 289.78 or 291.78..

The number of letters in each student's name in a school is given in the box-and-whisker plot. What is the ratio of the least value of the plot to the middle quartile of the plot? => 1 2 or 4 3 or 1 3 or 2 3..

Identify the incorrect statement(s). I. Percentiles divide the data set into 100 equal groups. II. Deciles divide the distribution into 10 equal groups. III. Quartiles divide the distribution into 25 equal groups. => all are incorrect or I only or II only or III only..

Find the average of the lower quartile and the upper quartile from the data. Component Quantity Harddisk 260 Monitors 290 Keyboards 210 Mouse 180 Speakers 350 => 290 or 250 or 210 or None of the above..

The expenditure of Jennifer in a day is as recorded in the table. Which box-and-whisker plot represents the data in the table? Item Expenditure ($) Food products 6.50 Perfumes 6.00 Souvenirs 1.00 Cosmetics 3.50 Accessories 2.50 Leather items 7.00 Other items 0.50 What is the product of all the thre..

The box-and-whisker plot shows the weekly quiz scores. Which of the group has greater median? Why? => Group A has a greater median, because Group A maximum score is 100. or Group B has a greater median, because about 75% of the students in Group B scored higher than half of the students in Group A...

Types of events Measures of central tendency/dispersion, quartiles, interquartiles Permutations and combinations Methods of data representation Statistical experiments (more than one variable) Correlation and causatio..

The box-and-whisker plot shows the weekly practice hours of two baseball teams. Which of the following statements are true? => Average median practice hours for Team B is greater than Team A. or Average median practice hours are same for both the teams. or Upper quartile for Team A is les..

. All this help is online, from the comfort of your home.The list of topics( not exhaustive) our Statistics tutor can handle online in Statistics and Probability are given below: Subjective Probability Random Variables and Processes Probability distributions - Normal, Binomial, Poisson, Hypergeomet..

Module One: Exploring Data - Constructing and interpreting graphical displays of distributions of univariate data: Dotplot, stemplot, histogram, cumulative frequency plot Center and spread Clusters and gaps Outliners and other unusual features Shape Summarizing distributions of univariate data: Mea..