CBP Economics

Which amongst the following is not a measure of Central Tendency?

• Mean

• Mode

• Median

• Regression

What is the symbol for calculating Arithmetic Mean for a Sample ?

The weights of 10 girls are measured in kg and the results are listed below

48, 42, 49, 50, 40, 38, 51, 46, 39, 47

The number of girls, whose weights are more than the mean weight, is

• 4

• 6

• 3

• 7

From the following data, what is the value of the median?

20, 21, 25, 26, 23, 29, 32, 39, 33

• 26

• 23

• 25.22

• 29

According to Karl Pearson, relationship between mean, median and mode is expressed as Mode= 3 Median-

Which of the follwoing statements about the aggregate of data is true?

• The aggregate of data is known as statistics

• The aggregate of data is known as economics

• The aggregate of data is known as collection

• The aggregate of data is known as analysis

Which of the following can also be represented as sample statistics?

• Lowercase Greek Letters

• Roman Letters

• Associated Roman Alphabets

• Uppercase Greek Alphabets

What is the formula for calculating Arithmetic Mean in a continuous series by direct method?

• x ̅=Σx/n

• x ̅=Σfx/Σf

• x ̅=Σfm/Σf

• x ̅=A+Σfd/Σf

The most suitable average for qualitative measurement is

• Arithmetic Mean

• Median

• Mode

• Geometric Mean

Which average is affected most by the presence of extreme items?

• Median

• Mode

• Arithmetic Mean

• Percentile