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CHOOSE THE CORRECT ANSWER FOR EACH QUESTION 1- The statistical process of using samples to estimate population parameters is known as: Statistical interference. Statistical inference.
CHOOSE THE CORRECT ANSWER FOR EACH QUESTION
1- The statistical process of using samples to estimate population parameters is known as:
Statistical interference. | |
Statistical inference. | |
Statistical confidence. | |
Descriptive statistics. |
2- If a researcher wishes to determine whether there is evidence that the mean fasting glucose level in adults with type 2 diabetes is different from 110mg/dL, then
a two-dependent samples t-test should be considered. | |
a two-independent sample t-test should be considered. | |
a one-sample t-test should be considered. | |
either a one-sample or two-dependent samples t-test should be considered. |
3- Power is defined as:
the probability that you will retain/keep the null hypothesis if it is false. | |
the probability that you will reject the null hypothesis if it is true. | |
determined by your research hypothesis only. | |
the probability that you will reject the null hypothesis if it is false. |
4- The probability of rejecting the null hypothesis that is true is known as the:
Type I error | |
Type II error | |
statistical power | |
confidence level |
5- Two random samples have sizes of n=100 and n=75 respectively. Which of the following is true for a 95% confidence interval?
The sample of n=75 has a greater degree of confidence. | |
The sample of n=100 has a greater degree of confidence. | |
The confidence interval for the sample of n=100 is narrower. | |
The confidence interval for the sample of n=100 is wider. |
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