Statıstıcs II (ENG)
Deneme Sınavı Soruları
- 20 soru
- Cevap anahtarı açık: çöz, sonucunu gör
- 1
Which of the following is an example of a basic index number?
- 2
If the correlation coefficient is 0.50 which one of the following is true?
- 3
Which of the following interpretations is true if the negative value is -1 and the positive value is+1 in the interpretation of Pearson’s Correlation Coefficient?
- 4"The correlation analysis_____" Which of the following best completes the sentence above?
- 5
In a simple linear regression model, if the equation is as follow,
y= 5 + (3.5)x
Which of the following can be accepted as a true expression?
- 6
Total price and quantity for products group A is 40 and 8, and 60 and 7, as unit a and unit b, for years X and Y, respectively. What is the Fisher’s price index for A for year Y when year X is the base ?
- 7
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?
- 8Which of the following is not true?
- 9
The estimated simple linear regression model is y= 65 + 2.45 * x, what is the y value according to model if x=12?
- 10
A decision alternative has 80 and 30 as payoff values and the probabilities of the associated states of nature are 0.60 and 0.40 respectively. What is the expected monetary value of this decision alternative?
- 11
In The Analysis of Variance Table in Multiple Linear Regression, what is the degrees of freedom if the source of variation is error?
- 12
Which of the followings is the process of creating a model of the linear relationship between independent variable and dependent variable ?
- 13
When are the weighted index numbers used?
- 14
Sample values for a continuous variable (electric current at home ; as amper) : 2, 3, 6, 9, 10, and 18. What is the point estimate of the population arithmetic mean?
- 15
I. A population should be finite
II. Sometimes sample may be bigger than population
III. Using a proper sample surveyors may make very accurate prediction
Which one(s) of the above is/are true?
- 16
As the Central Limit Theorem states, What is the type of distribution of the independent samples approximates?
- 17
For the variance between samples equalling 10 and the variance within samples equaling 20, what is the test statistic for a one-way ANOVA test is the ratio of two variances?
- 18
In two population hypothesis testing which of the following is true?
- 19
How many different samples of size two can be created from this population with 6 students when the sample size is 3?
- 20
In order to compare more than two means, which of the following statistical analysis can be carried out?