percentiles

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..

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, 86 or ..

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..

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..

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..

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. 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 distance (in miles) run by 8 athletes per day are given. Find the value that corresponds to the 40 th percentile. 4.2, 5.8, 4.5, 5.1, 3.8, 4.6, 3.2, 5.4, 4.3, 4.4 => 4.2 miles or 3.8 miles or 4.55 miles or 4.35 miles..

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..

Recognize the incorrect statement(s). I. When all data for a variable are transformed into z scores, the resulting distribution will have a mean of 1 and a standard deviation of 0. II. The z score represents the number of standard deviations that a data value falls above or below the mean. III. Per..