Section 2.3 Review Three Common Measures of Central Tendency Know th at the mean

Question

Section 2.3 Review Three Common Measures of Central Tendency Know th at the mean, median, and mode are the three most commonly used measures of central tendency. True or False Decide whether each of the following statements is True (T) or False F 1. The population mean is given by where N denotes the number of entries in a population. 2. The sample mean is given by where n denotes the number of entries in a sample. 3. The median of a data set is the value that lies in the middle of the data set when the data is ordered. True 4. The mode of a data set is the data entry that occurs with the greatest frequency True s. It is possible for a data set to have more than one mode. True 6. It is possible for a data set to have no mode. Trre 7. It is possible for an interval level data set to have more than one median. 8. It is possible for an interval level data set to have no median. Folse (Yau okods con fnd meston any tevet ) 9. A mode can exist for a qualitative data set 10. A median can exist for a qualitative data set. 11. The mean is sensitive" to extreme values/outliers in a data set. 12. The median is "sensitive" to extreme values/outliers in a data set. 15

Explanation / Answer

TRUE OR FALSE:

1.) TRUE

2.) TRUE

3.) TRUE

4.) TRUE

5.) TRUE

6.) TRUE

7.) FALSE

8.) FALSE

9.) TRUE

10.) FALSE

11.) TRUE

12.) FALSE

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