Which of the following statement describes correctly the purpose of analysis of the variance?
A: To analyze whether there is a significant difference in the total variance of each group
B: To analyze whether there is a significant difference in the overall standard deviation of each group
C: To analyze whether there is a significant difference in the overall mean value of each group
D: To analyze whether there is a significant difference in the overall median of each group
A: To analyze whether there is a significant difference in the total variance of each group
B: To analyze whether there is a significant difference in the overall standard deviation of each group
C: To analyze whether there is a significant difference in the overall mean value of each group
D: To analyze whether there is a significant difference in the overall median of each group
C
举一反三
- What can we learn about the result of the latest study A: There was a significant difference in total deaths from cancer between the two groups. B: There was no significant difference in death rates between the two groups. C: The comparison group has a lower death rate. D: More veterans died from leukemia than from other cancers.
- The influence of weight on weighted arithmetic mean depends on ( ) A: Value size of each group of character values B: What is the absolute number of weights C: Proportion of units in each group to total units D: What is the population number of units
- Can you analyze the difference between The Imperial Palace and Buckingham Palace
- The main difference between static analysis and dynamic analysis is<br/>whether the time factor is considered. ( )
- Annealing and normalizing present a significant difference on the ductility of low carbon steels.
内容
- 0
Indicate whether each of the following is identified with an asset.
- 1
A difference in tone changes the meaning of a group of words and, when this happens, it is called a difference in______________________ .
- 2
What is the difference between meiguiyi(zhebeiyang) of the Song Dynasty and meiguiyi of the Ming Dynasty? A: Whether it has a literati style or not. B: Whether the height of armrest and backrest is the same or not. C: The difference in used space. D: The difference in size.
- 3
When you are learning driving a car, it _____ whether you have a good teacher or not. A: makes a difference B: has a difference C: makes no difference D: has no difference
- 4
Decide whether each of the following statements is true or false.