wurry

a) Suppose that the academic standings of students in a programming competition in your investigation ( is as follows: freshman n = 25, junior n = 20, sophomore, n = 22, senior n = 15, graduate n = 10. i) Construct a frequency distribution for these data....

d) Suppose you were a school psychologist and were interested only in improving the median self- esteem score of children in your school. Explain, on which of the following students would you work the hardest: i) Those with the lowest self-esteem scores i...

c) What is percentile and percentile rank? Based on the notion of percentile and percentile rank. ii) Can a percentile have the value 517? Explain. ii. Can a percentile have the value -5.8? Explain. iii) Can a percentile rank have the value of 517? Explai...

witin this students which one is the lowest