Ages of Jockeys the Following Data Represent the Ages in Years

question 200

Essay

Ages of Jockeys The following data represent the ages in years of a sample of 25 jockeys from a local race track: 31, 43, 56, 23, 49, 42, 33, 61, 44, 28, 48, 38, 44, 35, 40, 64, 52, 42, 47, 39, 53, 27, 36, 35, and 20. {Ages of Jockeys Narrative} Find the lower quartile of the ages.

---

Definitions:

Sample Proportions

It's the fraction or percentage of observations that fall into one category of a categorical variable in a sample of the population.

P Charts

Control charts used for monitoring the proportion of defective items in a process over time.

Control Charts

Statistical tools used in quality control processes to analyze how a process changes over time, with lines representing upper and lower limits.

Lower Control Limit

The threshold in control charting below which the process variability is considered to be in a state of statistical control but indicating potential performance issues.