Deneme Sınavı Soruları

What is the simple index number for Nisan? 

What is the interpretation of Pearson’s Correlation Coefficient values "-0.8 ≥ r ≥ 0.99"?

The payoff values for decision alternatives : there are 6 states of nature and the profit values for the first decision alternative are 690, 780, 540, 410, 710, 320. The decision maker is optimistic. Which payoff value is taken from the first decision alternative?

If there is a positive perfect correlation between two variables, what is the value of the correlation coefficient?

The payoff values for decision alternatives : there are 6 states of nature and the cost values for the first decision alternative are 960, 710, 450, 610, 430, 580. The decision maker is optimistic. Which payoff value is taken from the first decision alternative?

In The Analysis of Variance Table in Multiple Linear Regression, what is the degrees of freedom if the source of variation is regression?

Which of the followings represents the population correlation for Pearson’s correlation coefficient?

In decision making, at least how many decision alternatives are necessary?

Total price and quantity for products group A is 5 and 18, and 10 and 20, as unit a and unit b, for years X and Y, respectively. What is the Paasche’s price index for A for year X when year Y is the base?

The price of a product in the base period is 150 TL and the price of the same product in the current period is 200, what is the simple index for price in the current period?

The payoff values for decision alternatives : there are 5 states of nature and maximum payoff values for 5 decision alternatives are I) -0.15, II) -0.11, III) -0.72, IV) -0.27, V) -0.34. The decision maker is pessimistic. Which decision alternative is choosen?

In a simple linear regression analysis, the correlation coefficient is 0.40, what is the coefficient of determination?

In which situation below, can hypothesis tests for proportions be used?

In a sample there is 45 people and 25 of them are female, what is the point estimate of the population proportion of females?

Which one of the following is a nonprobability sampling method?

A scientist collects data and finds the arithmetic mean of the data as 23.64. What is the point estimate of the population arithmetic mean?

Which of the following is true about t distribution?

In an investigation, if the significance level is 0,01 ; what is the confidence level of this study ? 

For age variable the following sample data is gathered: 45, 47, 42, 40, and 51. What is the point estimate of the population arithmetic mean for variable age?