a.) What are the conditions when t test, F test or Z test are used?

b.) What are the various sources of Secondary data? 

a.) Frame a short questionnaire to identify social or economic impact of Covid 19 in your locality?

Explain the following:

a. Non sampling errors
b. Probability density curve
c. Type I and type II errors
d. Conjoint Analysis

b.) Marks of 20 students in Economics are: 70, 60, 80, 50, 65, 78, 81, 69, 72, 77, 58, 42, 62, 55, 82, 84, 64, 75, 59, 66 (Maximum marks are 100). Find the percentage of marks of each student. Also find out mean, median and mode using spreadsheet package. (Enclose screenshots of the spreadsheet in the assignment)

a.) Discuss different measures of Central Tendency and the specific situation in which they could be used.

(a.) A market research firm wants to estimate the share that foreign companies have in
Indian market for certain products. A random sample of 100 consumers is obtained and
34 people in the sample are found to be users of foreign made products, the rest are users
of domestic products. Give a 95% confidence interval for share of foreign products in the
market.

(b) A salesman made a profit of Rs. 245 on a showpiece A for which average profit has
been Rs. 200 with a standard deviation of Rs. 50. Later on the same day, he made a profit
of Rs. 620 on a showpiece B for which the average profit has been Rs. 500 with a
standard deviation of Rs. 150. For which of these two models is the salesman’s profit
relatively higher.

(a.) Compute and interpret the correlation coefficient for the following data:

X(Height) 12 10 14 11 12 9
Y (Weight) 18 17 23 19 20 15

 (b) Explain step by step procedure for testing the significance of correlation coefficient

NCEUS

Write a note on the objectives of ‘Exchange Rate Management’.

 Describe the concepts frequently used in the context of Foreign Investment.

Outline the theoretical background to the New Agricultural Strategy.

What are ‘Federal Grants’? How are they useful in fiscal adjustment?

Discuss the principal issues relating to ‘water’. 

Explain the concept of ‘labour market flexibility’

 Discuss the arguments on the relationship between ‘development and social justice’. 

Explain the factors that will result in the rightward shift in the Aggregate supply curve with the help of diagram.

What are adaptive and rational expectations?

Explain different types of unemployment in the economy.

Explain absolute and relative purchase power parity.