percentiles homework

The salaries for 6 employees of XYZ company are $5000, $2500, $3200, $4100, $2200 and $1800. Find the percentile rank for a salary of $3200. => 42 nd percentile or 58 th percentile or 66 th percentile or 0.58 th percentile..

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..

The median price of different books in a bookstall is $35.The difference between twice the minimum price and half the maximum price in the bookstall gives the median price, which is also equal to the midrange. The IQR of the prices is $5. The price of the book corresponding to 25th percentileh..

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..