**1251. ___________ quartile is also known as upper quartile :**

A. First

B. Second**C. Third ***

D. Fourth

**1252. The 75th percentile is referred to as the :**

A. First Quartile

B. Second Quartile**C. Third Quartile ***

D. Fourth Quartile

**1253. The First Quartile :**

**A. Contains at least as the 25th percentile ***

B. Contains at least as the 50th percentile

C. Contains at least as the 75th percentile

D. None of them

**1254. Which of the following is the most unstable average ?**

**A. Mode ***

B. Median

C. A.M

D. G.M

**1255. When one observation in the data is zero then its harmonic mean is :**

A. Positive

B. Zero

C. Negative**D. Undefined ***

**1256. The 75th Percentile is :**

**A. Greater than D6 ***

B. Equal to D6

C. Less than D6

D. None of these

**1257. Skewness is positive when mean is _____________mode :**

**A. Greater than ***

B. Equal to

C. Less than

D. None of these

**1258. Given the N values in a series the geometric mean is :**

A. The Nth root of the sum of N values

B. The square root of the product of N values

C. The Square root of the sum of N values**D. The Nth root of the product of N values ***

**1259. Which of the following would indicate that a dataset is not bell shaped :**

A. The range is equal to 5 standard deviations

B. The range is larger than the interquartile range **C. The mean is much smaller than the median ***

D. There are no outliers

**1260. The Pth percentile is a value such that at least p percent of observations are :**

**A. Less than or equal to this value ***

B. More than or equal to this value

C. Less than this value

D. More than this value