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عادی دانشکاه پیام نه کارشستای سی *づW Sで ŽN هاوکز آزمون و سنجش حضرت علی(ع): ارزش هر کس به میزان دانایی و تخصص اوست. گد سری سؤال: یک (۱) ** w w w w wo - - ===N تعداد سؤالات: تستی: ۳۰ نشریشی: -- زمان آزمون (دقیقه): انستی: ۹۰ تشریحی: --
نام درس: زبان تخصصی رشته تحصیلی / کد درس: آمار / ۱۱۱۷۰۳۰
الصلـ
مجاز است.
A: Choose the correct answer for each sentence: 1. There is always some chance that the results based on the sample do not represent the ............ a population b. truth c. data d. correlation 2. Descriptive statistics is mainly concerned with .......................... a statistical evaluation and making generalizations b. Summary calculations and graphical displays c. logical deduction and thorough conclusions d. making inferences and decision making 3. Sample frequency distribution is....................... a. the resulting summary for the inspection times b. grouping data into contiguous blocks c. manipulating data in meaningful fashion
d. the falling of each interval into observation
4. The mean is inappropriate for................ data.
a. Ordinal b. ratio c. interval d. Scale 5. An ..................... is any collection of an experiment.
a. Event b. experimental C. encounter d. idea
6. An entire group of different types of multiple mean comparisons is called..................
a. ANOVA b. t – test c. sign test d. non parametric test 7. A process involving a series of trials with two complementary outcomes is called............ the process.
a. Bernouli b. Poisson c. Banach d. Gaussian 8. The.................. shows the direction and strength of the relationship between two variables.
a. association b. calculation c. correlation d. observation
نیمسال اول ۹۱-۱۳۹۰
صفحه ۱ از ۳





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عادی دانشکاه پیام نه کارشستای سی *づW Sで ŽN هاوکز آزمون و سنجش حضرت علی(ع): ارزش هر کس به میزان دانایی و تخصص اوست. گد سری سؤال: یک (۱) ** w w w w wo - - ===N تعداد سؤالات: تستی: ۳۰ نشریشی: -- زمان آزمون (دقیقه): انستی: ۹۰ تشریحی: --
نام درس: زبان تخصصی رشته تحصیلی / کد درس: آمار / ۱۱۱۷۰۳۰
استفاده از: مجاز است.
9. This statistical formal terms, H. = All-Au, = • , is referred to as ...
a. alternative hypothesis b. null hypothesis
c. expected conclusion d. unexpected conclusion 10. If tests are used to analyze experiments in which the dependent variable is ranks, they are called
a parametric b. nonparametric c. nominal d. ordinal
11. All memberers of a specified group is called ............
a. Sample b. data c. frequency d. population 12. A............ shape is parallelogram.
a. block b. rectangular c. bell shaped d. categories 13. In symmertric distribution ...................... equls with mode, median.
a. decimal b. fractile C. ՈՈCaՈ d. Variance
14. The most frequently obtained score in the data is called................
a median b. mean c. mode d. Variance 15. A median isn’t appropriate for ............... data.
a ratio b. interval c. ordinal d. nomial 16. Chebysbv’s theorem indicates that at least................ of all population lie within u kö
*一歳 b. * * . d. -" 17. The .................unáffected by the size of the few outliers.
a. IllCdIl b. Variance
c. regression model d. median 18. Raw scores more than the mean have .................. Z SCOre.
a. positive b. negative C. average d. noramal
19. A perfectly balanced coin will have a probability of a head equal to ...............
a. 9%5 b. 0/5 c. 5 d. 50
نیمسال اول ۹۱-۱۳۹۰
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عادی دانشکاه پیام نه کارشستای سی *づW Sで ŽN هاوکز آزمون و سنجش حضرت علی(ع): ارزش هر کس به میزان دانایی و تخصص اوست. گد سری سؤال: یک (۱) ** w w w w wo - - ===N تعداد سؤالات: تستی: ۳۰ نشریشی: -- زمان آزمون (دقیقه): انستی: ۹۰ تشریحی: --
نام درس: زبان تخصصی رشته تحصیلی / کد درس: آمار / ۱۱۱۷۰۳۰
الصلـ
مجاز است.
20. If A, B are ............... So are A', B'.
a dependent b. independent c. consistance d. seperate 21. An exponential distribution has ...................parameter. a. IlO b. none C. ՕՈC d. two
22. On a scatter plot, each individual in the data is illustreated as a .............. a plot b. plan c. point d. pattern
23. Logic inferential statistics mainly deals with
a. treatmentS b. probabilities c. assvmptions d. populations — | X < о 24. The ...................... function is defiend by sg(x) = {e Х = о | X > о a. mark b. rank C. mOment d. Sign
25. Rejection of the null hypothesis when it is true is called ..................
a. type II error b. type I error c. power function d. sign function
26. If standard deviation is 2/2 and the sample mean is 2 what is the coefficient of variation?
a. 1 b. 0/91 с.0/7 d. 1/1
27. When there is a lack of symmetry in a probability distribution what sort of in data is occurred? a. unsymmetric b. skewed c. not – symmetric d. kurtosis
28. What is the K" moment about the mean?
a. E(X") b. E(X-1)* c. ECX-u)" d. ECX-X)* Κ
29. For this distribution the mean and variance are equal? a. Noraml b. Bernoli c. Poisson d. Geometric 30. What is the probability of rejecting the null hypothesis when it is false? a. Power of test b. Type I error b. Type II error d. Power of the sample
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عادی دانشکاه پیام نه کارشستای سی *づW Sで ŽN هاوکز آزمون و سنجش حضرت علی(ع): ارزش هر کس به میزان دانایی و تخصص اوست. گد سری سؤال: یک (۱) ** w w w w wo - - ===N تعداد سؤالات: تستی: ۳۰ نشریشی: -- زمان آزمون (دقیقه): انستی: ۹۰ تشریحی: --
نام درس: زبان تخصصی رشته تحصیلی / کد درس: آمار / ۱۱۱۷۰۳۰
الصلـ
مجاز است.
20. If A, B are ............... So are A', B'.
a dependent b. independent c. consistance d. seperate 21. An exponential distribution has ...................parameter. a. IlO b. none C. ՕՈC d. two
22. On a scatter plot, each individual in the data is illustreated as a .............. a plot b. plan c. point d. pattern
23. Logic inferential statistics mainly deals with
a. treatmentS b. probabilities c. assvmptions d. populations — | X < о 24. The ...................... function is defiend by sg(x) = {e Х = о | X > о a. mark b. rank C. mOment d. Sign
25. Rejection of the null hypothesis when it is true is called ..................
a. type II error b. type I error c. power function d. sign function
26. If standard deviation is 2/2 and the sample mean is 2 what is the coefficient of variation?
a. 1 b. 0/91 с.0/7 d. 1/1
27. When there is a lack of symmetry in a probability distribution what sort of in data is occurred? a. unsymmetric b. skewed c. not – symmetric d. kurtosis
28. What is the K" moment about the mean?
a. E(X") b. E(X-1)* c. ECX-u)" d. ECX-X)* Κ
29. For this distribution the mean and variance are equal? a. Noraml b. Bernoli c. Poisson d. Geometric 30. What is the probability of rejecting the null hypothesis when it is false? a. Power of test b. Type I error b. Type II error d. Power of the sample
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