ECO 253 (CBT 4)

The mean number of misprints per page in a book is 1.2. What is the probability of finding on a particular page no misprints?

Prices of shares of a company on the different days in a month were found to be: 66, 65, 69, 70, 69, 71, 70, 63, 64 and 68. What is the mean price of the shares in the month?

Rainfall and Farm yield is example of what correlation?

A statistical hypothesis test is a method of making decisions using __________

In probability theory, central limit theorem states that given certain conditions the mean of a sufficiently _________ of iterates.

If the absolute value of the calculated t is greater than tabulated t, we say it is significant and the null hypothesis is __________

Given two variables X and Y: If r = -1, what is the relationship between Y and X?

In simple regression model, how many independent variables do we have?

Which of these is not one of the methods of studying correlation?