Statıstıcs II (ENG)
Ünite Sınavı Soruları
- 20 soru
- Soru metinleri açık; şıklar ve cevap anahtarı uygulamada
- 1
In a binomial test problem, n = 6 and x = 2, what is the value of
in this problem? - 2
Which one of the following is used for the hypothesis test about the population median?
- 3
When a probability of obtaining an outcome, out of two outcomes, on one trial is known and a probability of the number of times the same outcome might appear, say x times out of n independent trials is tried to be found, which probability distribution is used?
- 4
In Wilcoxon Rank Sum Test n1=45 and n2=40 then what is the value of E[S]?
- 5
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?
- 6
In a sign test the median is 17 and here are the observations in the sample: 5, 6, 3, 6, 9, 7, 8, 9, 6, 15, 18, 19, 20, 24 What is the n- value for the sign test?
- 7
If we know the proportion P for one class, the proportion of Q for the other class must be equal to which of the following below?
- 8
I. It determines whether the scores in the sample come from a population with
theoretical distribution.II. It is one of the goodness of fit tests.
III. The level of measurement for data is at least interval.
Which one/s of the statements given above is correct about Kolmogorov Smirnov Test?
- 9
Which of the following test is the most commonly used goodness of fit test?
- 10
In a binomial test, if the P is 0.40, what is the value of Q?
- 11
What is the name of the nonparametric test that is used for the hypothesis test about the population median?
- 12
In Wilcoxon Signed Rank Test if n=25 then what is the value of E[S]?
- 13
If the assumptions of certain tests can not be satisfied what do we need to use for testing?
- 14
If the alternative hypothesis is written as H1:P < Q in small sample Binomial test, how do we find the p-value?
- 15
Which of the following non-parametric tests is not used for one-sample-problem?
- 16
________________ tests are used to determine whether a data set comes from a particular distribution?
- 17
What is the value of test statistic H calculated in that hypothesis testing?
- 18
I. It is suitable to use when one of the two variables in the question is measured in ordinal scale.
II. Spearman’s Rank Correlation Coefficient is a nonparametric alternative to Pearson.
III. It can be used when association between the variables is not linear.
Which of the statement/s above is correct about Pearson correlation coefficient?
- 19
Which of the following can be writen as a null hypothesis for The Chi-square Goodness of Fit Test?
- 20
............ is used to decide whether k independent samples are drawn from different populations. It is an extension of the Wilcoxon sum rank test to a comparison of more than two populations. It assumes that the variable under consideration is measured on at least ordinal scale.
Which of the following test should be written the gap above.