According to the ACM Code of Ethics, professionals have a duty to provide accurate information about software systems and their potential impacts to enhance pubic understanding plus they should respect and protect confidential information obtained during their professional activities as a responsibility to their clients and employers. 

What is a histogram?

Variability describes:

Which level of measurement is represented by students’ satisfaction ratings (very dissatisfied, dissatisfied, neutral, satisfied, very satisfied)?

What does a correlation coefficient describe?

Which measure of central tendency is most sensitive to extreme scores?

Which statement best describes variance?

In the standard deviation formula, what does represent?

What does the symbol ∑ X represent in the mean formula?

A study finds a correlation of r = – 0.70 between hours spent playing video games and hours spent studying. Explain what this correlation suggests about the two variables.