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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. 

A study finds a correlation of r = – 0.70 between hours spent playing video games and hours spent studying. Explain why this correlation does not prove that playing video games causes students to study less.

Variability describes:

Which level of measurement is represented by calendar years (e.g.,1990, 2000, 2010, etc.)?

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.

A researcher collects the following scores: 4, 5, 5, 6, 7, 20 If the mean here is 8, calculate the standard deviation. Please email me your the work.

What does a correlation coefficient describe?

Which statement best describes variance?

Which type of statistics is used to organize and describe a collection of data?

You bought one share of Rivet Tools Inc. one year ago for $42.50. Today the stock sells for $45.80, and just before you sell it you receive a dividend of $0.65 per share. What is your return on this investment? Do not round your intermediate calculations.