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D Question 11 1 pts Researchers measure the systolic blood pressures of 100 patients age 80 years or older. The mean systolic blood pressure for this group of patients is 152 mmHg (millimeters of mercury). If we were to measure the patients' systolic blood pressures 100 times, the "average" of the variations from each round of measurements (in mmHg) is called the: O standard error of the mean. O variance. O analysis of variance (ANOVA). O standard deviation. O variability of the mean.D Question 12 1 pts The standard error of the mean is: O usually less than the standard deviation. O related directly to the square root of the standard deviation. O statistically dependent on the value of the mean. O statistically dependent on the value of the median. O usually greater than the standard deviation.D Question 14 1 pts If a researcher's statistical analysis fails to detect a significant difference between the control group and the treatment group, the null hypothesis is said to be: O rejected. O retained. O verified. O accepted. O proven.D Question 15 1 pts If a researcher's statistical test detects a significant difference between the control group and the treatment group, but in reality no difference exists, the researcher has committed: O a felony. O a Type Ill error. O a Type | error. O a power analysis. O a Type II error.D Question 13 1 pts The null hypothesis states that: there is a difference between groups, but we do not know which group is superior. there is a difference within at least one of the groups being compared. O there is no difference between the groups being compared. O there is no difference within any of the groups being compared. O there are no data in either group being compared.D Question 17 1 pts The "power" of a statistical test measures the test's ability to: O commit a Type | error. O commit a Type II error. O detect a false difference between groups, assuming that no difference exists. O detect a significant difference between groups, assuming that a difference exists. O detect the true value of the mean.D Question 16 1 pts If a researcher's statistical test fails to detect a significant difference between the control group and the treatment group, but in reality a difference exists, the researcher has committed: O a power analysis. O a Type II error. O a misdemeanor. O a Type | error. O a Type Ill error.D Question 18 1 pts The result of a statistical test is said to be "significant" if and only if: O a Type I error was committed. O a Type II error was committed. O p > = a the alternative hypothesis is rejected. O p