what is percentiles

Find the percentile rank for a weight of 92 pounds if the weights (in pounds) of 6 students are given: 97, 78, 86, 82, 88, 92 What value corresponds to the 60 th percentile? => 25 th percentile, 86 or 75 th percentile, 88 or 75 th percentile..

In the standard normal distribution, what is the value of z for the 73 rd percentile? => 0.73 or 1.1 or 0.23 or 0.613..

Which of the following statement(s) is/are true ? I. Mode is the measure of central tendency used in exploratory data analysis (EDA). II. Extremely low data value in the data set can be considered as an outlier. III. Percentiles are the same as percentages. => II only or I, II and III onl..

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 distribution is..

The frequency distribution of the highest temperatures (in °F) in 50 states during a season is shown. Find the percentile rank for a temperature of 117.5°F by constructing a percentile graph. Temperatures Number of states 99.5 - 104.5 2 104.5 - 109.5 8 109.5 - 114.5 18 1..

The frequency distribution for the rainfall readings (millimeters) of 60 selected cities is shown. Select the percentile graph for the data. Rainfall range Number of cities 0 - 2 18 2 - 4 12 4 - 6 7 6 - 8 13 8 - 10 10 => Graph 1 or Graph 2 or both Graph 1 & Graph 2 or none of the above..

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: Measurin..