Statıstıcs II (ENG)
Deneme Sınavı Soruları
- 20 soru
- Cevap anahtarı açık: çöz, sonucunu gör
- 1
In a binomial test, if the Q is 0.30, what is the value of P?
- 2
Which of the following can be writen as a null hypothesis for The Chi-square Goodness of Fit Test?
- 3
_______is a family of indexes that measures the average change over time in selling prices received by domestic producers of goods and services.
Which of the following completes the definition best?
- 4
Which of the followings shows the true definition about the fixed base simple index?
- 5
If in an index calculation, the quantities of the current period and the prices for both of the current and the base periods are used, which of the followings define this index?
- 6
If the degrees of freedom is 10 and right tale area is 0.10, what is the chi-square value from the chi-square table?
- 7
What is the value of minimin criterion for this profit based payoff matrix?
- 8
In which of the following decision making environment, the decision maker is able to assign probabilities to states of nature?
- 9
If there are more than 1 independent variables in a regression analysis, what do we call the general model?
- 10
The following table show the prices and quantities of 4 products. According to the value of the Paasche Price index for 2020 using 2015 as the base period, which of the followings shows the correct definition about the price of the product group from 2015 to 2020?
- 11
Which of the following consequences most probably occurs if the probability values are obtained from an outside firm?
- 12
The payoff values for decision alternatives : there are 5 states of nature and the cost values for the first decision alternative are 0.8, 0.9, 0.2, 0.7, 0.6. The decision maker is pessimistic. Which payoff value is taken from the first decision alternative?
- 13
Price of X is 56, and 84 units on February, and May, respectively. January is the base period. What is the fixed based simple price index for May?
- 14
Which of the following is the sampling method based on identifying the samples by the former samples selected?
- 15
I. Simple Random Sampling
II. Stratified Sampling
III.Convenience Sampling
IV. Quota Sampling
In which of the method(s) above target population is divided into subgroups?
- 16
Why to use a sample instead of a census to obtain some information about the characteristics of a population?
- 17
In order to use Z test statistic for difference between two means, what is the minimum required sample size?
- 18
Which one of the following is the degrees of freedom for within source of variation in F table?
- 19
Interval estimation : the limits of the confidence interval are (4.1, 5.9), the significance level is 0.05. What is the sample arithmetic mean?
- 20
How many different subgroups of 5 members can be obtained from a population of 8 members?