Statıstıcs II (ENG)
Ünite Sınavı Soruları
- 20 soru
- Soru metinleri açık; şıklar ve cevap anahtarı uygulamada
- 1
In a binomial test, the investigaor is interested in the proportion of boys in a school. In the sample of 250 students, there are 175 boys. What is the value of P for a binomial test for boys?
- 2
What kind of distribution is used 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?
- 3
It is based on the agreement between the distribution of a set of observed values and some particular theoretical distribution. This one sample test determines whether the scores in the sample come from a population with theoretical distribution.
Which of the following tests is described above?
- 4
Which of the following hypotheses does NOT belong to Wilcoxon Rank Sum Test?
- 5
In a sign test the median is 12 and here are the observations in the sample: 5, 6, 8, 9, 14, 15, 16, 18, 20, 24. What is the n+ value for the sign test?
- 6
In a binomial test, if the Q is 0.30, what is the value of P?
- 7
What is the value ranged of Spearman’s Rank Correlation Coefficient?
- 8
What is the decision reached as a result of hypothesis testing process?
- 9
What is the non-parametric alternative of t test?
- 10
..................... is a measure of association for ranked data. In addition, it can be used when the relation between two variables is not linear.
Which of the following test is described above?
- 11

If the Chi-Square goodness of fit test is applied to data in the table, what is the total chi-square value?
- 12
If the proportion of married people in a group is 0.63, what is the proportion of single people in the group?
- 13
Ho :The distribution of differences is symmetrical around MD= 0
Which of the following tests is related to the given null hypothesis?
- 14Which of the following is the correct alternative hypothesis for binomial test?
- 15
Which one of the following values cannot be calculated for Spearman's rank correlation coefficient?
- 16
Which of the following is non-parametric statistics for two dependent samples?
- 17
Which one of the following non-parametric tests is used for two sample problems?
- 18
In a binomial test, x =35, n= 60 and P=0.55, what is the observed/calculated z value?
- 19
In this test, the alternative hypotheses are constructed in three different ways. The hypotheses are shown as follows.
H0 :The distribution of differences is symmetrical around MD = 0
H1a :The differences tend to be larger than MD = 0
H1b :The differences tend to be smaller than MD = 0
H1c :The differences tend to be larger than MD = 0 or smaller than MD = 0
Which test do the hypotheses given above belong to?
- 20

The table shows s the times (in minutes) spent by five students revising for a test and the grades that they achieved in the test. What is Spearman’s rank correlation coefficient?