by Dan | Jun 19, 2024 | mathematics
Let n be a positive integer such that both 2n+12n+1 and 3n+13n+1 are perfect squares. Find all possible values of n.
by Dan | May 27, 2024 | mathematics
Instructions: Select the most appropriate technique and report the findings in APA style. A researcher wants to study the effects of time spent studying and material difficulty on people’s ability to learn information. In addition, she wants to determine whether the...
by Dan | May 24, 2024 | mathematics
Body weight expressed as a percentage of ideal. Body weights of 18 diabetics expressed as a percentage of ideal (defined as body weight ÷ ideal body weight × 100) are shown here. Construct a stemand-leaf plot of these data and interpret your findings. 107 119...
by Dan | May 24, 2024 | mathematics
Suppose all 100 questionnaires were completed and returned. Would this then represent an SRS? What type of sample would it be? This would not represent a SRS due to the fact that it is not randomized if every 10th employee is chosen to send a survey. This is more of...
by Dan | May 24, 2024 | mathematics
Campus survey. A researcher conducts a survey to learn about the sexual behavior of college students on a particular campus. A list of the undergraduates at the university is used to select participants. The investigator sends out 500 surveys but only 136 are...
by Dan | May 24, 2024 | mathematics
Employee counseling. An employer offers its employees a program that will provide up to four free psychological counseling sessions per calendar year. To evaluate satisfaction with this service, the counseling office mails questionnaires to every 10th employee...
