AÖF Soru Bankası
İST210U

Statıstıcs II (ENG)

Ünite Sınavı Soruları

  • 20 soru
  • Soru metinleri açık; şıklar ve cevap anahtarı uygulamada
  1. 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. 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. 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. 4

    Which of the following hypotheses does NOT belong to  Wilcoxon Rank Sum Test?

  5. 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. 6

    In a binomial test, if the Q is 0.30, what is the value of P?

  7. 7

    What is the value  ranged  of Spearman’s Rank Correlation Coefficient? 

  8. 8

    What is the decision reached as a result of hypothesis testing process?

  9. 9

    What is the non-parametric alternative of t test?

  10. 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. 11

    If the Chi-Square goodness of fit test is applied to data in the table, what is the total chi-square value?

  12. 12

    If the proportion of married people in a group is 0.63, what is the proportion of single people in the group?

  13. 13

    Ho :The distribution of differences is symmetrical around MD= 0

    Which of the following tests is related to the given null hypothesis?

  14. 14
    Which of the following is the correct alternative hypothesis for binomial test?
  15. 15

    Which one of the following values cannot be calculated for Spearman's rank correlation coefficient?

  16. 16

    Which of the following is non-parametric statistics for two dependent samples?

  17. 17

    Which one of the following non-parametric tests is used for two sample problems?

  18. 18

    In a binomial test, x =35, n= 60 and P=0.55, what is the observed/calculated z value?

  19. 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. 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?

Şıkları ve doğru cevapları görStatıstıcs II (ENG) dersinin tüm sınavları, cevap anahtarları, süreli mod ve yanlış analizi uygulamada.Uygulamada aç