Which one of the following countries first launched Operational Remote Sensing satellite ?

• USA

• UK

• USSR

• Germany

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83.

LIST I (Landsat 4 and 5 TM)	LIST II (System Characteristics)
(a) IFOV	(i) 185 km
(b) Revisit	(ii) 705 km
(c) Altitude	(iii) 16 days
(d) Swath width	(iv) 30×30 cm for 1-5 7 bands

• a-i , b-ii , c-iii , d-iv

• a-ii , b-iii , c-i , d-iv

• a-iv , b-iii , c-ii , d-i

• a-iv , b-iii , c-i , d-ii

Assume there are four families in a country. The average per capita income of these families is Rs.5000. If the income of three families is Rs.3000. Rs.4000 and Rs.7000 respectively , what is the income of fourth family ?

• Rs.7500

• Rs.2000

• Rs.3000

• Rs.6000

• a-ii , b-iii , c-i , d-iv

• a-i , b-ii , c-iii , d-iv

• a-ii , b-iii , c-iv , d-i

• a-iv , b-iii , c-i , d-ii

Which one of the following measures of central tendency is used to indicate the "centre of population" ?

• Median

• Mode

• Mean

• Harmonic Mean

Which one of the following terms shows variance of a particular distribution ?

• ∑(X-X¯)

• ∑(X-X¯)/N

• ∑(X-X¯)²/N

• [∑(X-X¯)²/N]^-1/2

Consider the following map of an area :

Which one of the following satistical techniques involves a large number of variables to be summarised into smaller dimensions ?

• Chi-square

• Correlation

• Factor Analysis

• Regression

Which one of the following averages is not a measure of central tendency ?

• Harmonic mean

• Geographic mean centre

• Geometric mean

• Arithmetic mean