Economics of Statistics Quiz

Data collected from each and every unit of the population is called

• Census method

• Sampling method

• Primary data

• Secondary data

When data are arranged at regular interval of time the classification is called

• Qualitative

• Quantitative

• Chronological

• Geographical

The range of data 21, 6, 17, 18, 19, 8 , 4, 12, is _______

• 17

• 12

• 8

• 15

The average which is most affected by sampling fluctuations is

• Mode

• Median

• Mean

• All of the above

When the value of kurtosis is less than three it is called

• Leptokuritc

• Platrykuric

• Mesokartic

• None of the above

The value of correlation always lie between

• + 3 and - 3

• + 2 and - 2

• + 1 and - 1

• None of the above

The correlation for the values of two variables morning in the same direction is

• Perfect positive

• Negative

• Positive

• No correlation

The method of least squares finds the best fit line that __________ the error between observed and estimated point on the line

• Maximize

• Minimize

• Reduces to zero

• Approaches to infinity

The general tendency of data to grow or decline over a period of time is

• Secular trend

• Seasonal variation

• Cyclical variation

• Irregular variation

Trend has been measured to find out ____

• Growth factor

• Rate of change

• Estimate future

• All of the above