**1221. The _______ is calculated when arithmetic average is required :**

**A. Mean ***

B. Mode

C. Median

D. All of the above

**1222. Which of the following is not an arithmetic average ?**

A. Mean

B. Geometric mean**C. Median ***

D. Harmonic mean

**1223. The _____ is often the preferred meaure of central tendency if the data are severely skewed :**

A. Mean

B. Mode**C. Median ***

D. Range

**1224. Which is the median of this set of numbers 4,6,7,9, 2000000?**

A. 8**B. 7 ***

C. 6

D. 5

**1225. What is the mean of this set of numbers 4,6,7,9, 2000000?**

A. 8

B. 7**C. 400.005.2 ***

D. 5

**1226. The median is :**

**A. The middle point ***

B. Affected by extreme scores

C. The average

D. The highest number

**1227. Which one of the following is not included in measures of central tendency ?**

A. Harmonic mean

B. Arithmetic mean

C. Geometric mean**D. Quartile deviation ***

**1228. Which measure of central tendency takes into account the magnitude of scores ?**

**A. Mean ***

B. Mode

C. Range

D. Median

**1229. Which of the followin represents the 50th percentile , or the middle point in a set of number s arranged in order of magnitude ?**

A. Mode

B. Mean

C. Variance **D. Median ***

**1230. THe most frequently occuring number in a set of values is called the :**

A. Mean**B. Mode ***

C. Median

D. Range