1. Which of the following is true about a 95% confidence interval of the mean for a sample of patient’s rating their healthcare provider?
- 95 out of 100 sample means will fall within the limits of the confidence interval
- There is a 95% chance that the population mean will fall within the limits of the confidence interval.
-95 out of 100 population means will fall within the limits of the confidence interval.
- There is a .05 probability that the population mean falls within the limits of the confidence interval
Of the following results of studies undertaken, which is considered to have been a Type II error?
a. Following the discovery that a person’s pain threshold increases when subjected to repeated electrical stimulation, researchers concluded that shock therapy is recommended for pain control.
b. In a study of children’s reading habits at home, a relationship between reading and eating bananas was found. The conclusion was drawn that eating bananas improved reading ability
c. A study of the use of silver nitrate dressings versus the use of acupuncture demonstrated equal healing times for the treatment of leg ulcers within the elderly community. The researchers concluded that both types of treatment were equally effective.