The term statistical significance means Select one: a. the test statistic is close to what we would expect if the null hypothesis is true. b. the null hypothesis is true. c. the result we see is unlikely to happen just by random chance if the null hypothesis is true. d. the results are important and will make a practical difference in the lives of the subjects.

What’s the reason for not digging up aztec ruins in modern mexico city

Which is relatively better: a score of 76 on a psychology test or a score of 22 on an economics test? scores on the psychology test have a mean of 90 and a standard deviation of 13. scores on the economics test have a mean of 52 and a standard deviation of 10.

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is: