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W.:*. مر=ح--ز آزمون و سنجش ŽN
تعداد سوالات : تستی : ۳۰ تشریحی : ۰ زمان آزمون (دقیقه) : تستی : ۱۲۰ تشریحی : ۰ سری سوال : یک ۱
عن-وان درس : زبان تخصصی
رشته تحصیلی / کد درس : آمار، ریاضیات و کاربردها ۱۱۱۷۰۳۰
1-Descriptive statistics...... 1. is the number of times a score * is reasoning from the general to the specific 3. is a method of proving theorem
* expresses some particular characteristic of a set of data
2-One definition of .............................. is that it is a method of taking chance factors into account when you use samples to reach conclusions about populations. 1. parametric statistics 2. non-parametric statistics 3, mean 4. inferential statistics
3-What is the main purpose of the following paragraph? The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample.
1. importance of sample size 2. importance of sample
3. importance if population * importance of the goal 4-The arrangement of score values from high to low and the frequency of each score is called.
1. observation 2 frequency distribution
3 distribution * frequency
5-A subset of population is.....
1. data 2 frequency 3. sample 4 covariance 6-....... is a technique of reaching unknown amount about population. 1. inference 2. calculation 3. ANOVA 4 data reduction
7-Which probability distribution is appropriate for a count of events when the events of interest occur randomly, independently of one another and rarely?
1. normal 2 poisson 3. binomail 4. uniform
8-Elements with common properties is called....
1. sample 2. data 9 population 4. Nonparametric
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عن-وان درس : زبان تخصصی رشته تحصیلی / کد درس : آمار، ریاضیات و کاربردها ۱۱۱۷۰۳۰
9-Which of the following statement is not true for an exponential distribution with parameter M?
1. mean = 1/N and standard deviation = 1/N * the area under the curve is equal to one
3. the distribution is a two-parameter distribution since the mean and standard deviation are equal
4. the distribution is completely determined once the value of A is known
10-Which of the following is not a characteristic of the normal distribution? 1. it is a symmetrical distribution 2. the mean is always zero 3. it is a bell-shaped distribution 4. the area under the curve equals one
11-Which of the following statements is not correct concerning the probability distribution of a continuous random variable? 1. the vertical coordinate is the probability density function * the range of the random variable is found on the x-axis 3. the total area represented under the curve will equal 1
4. the area under the curve between points a and b represents the probability that X = a
12-When using a single die, what is the probability of rolling and odd number? 1. O/5 2. 0/6 3. 0/1 4. 0/2
13-How consumers’ intentions to buy the brand varies with different price levels is best analyzed via
1. ANOVA 2. T-TEST 3. REGRESSION 4. ANCOVA
14-A perfectly balanced coin will have a probability of a head equal to ............. 1. O/5 2. 0/6 3. 1 4. 0/2
15-If a sample space contains finite or infinite number of sample points, such a space is referred to as ... sample space.
1. measurable 2. countable 3 acceptable 4. occure
16-When we are choosing a randomWhen we are choosing a random sample and we do not place chosen units back into the population, we are: sample and we do not place chosen units back into the population, we are:
1. Sampling with Replacement 2. Sampling without Replacement
3. Using a Systematic Sample * Using a Voluntary Response Sample
1010/10.1033670
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- i oth . www20FILEORGo. .یخ دانشحه پیام نه
W.:*. مر=ح--ز آزمون و سنجش ŽN
تعداد سوالات : تستی : ۳۰ تشریحی : ۰ زمان آزمون (دقیقه) : تستی : ۱۲۰ تشریحی : ۰ سری سوال : یک ۱
عن-وان درس : زبان تخصصی
رشته تحصیلی / کد درس : آمار، ریاضیات و کاربردها ۱۱۱۷۰۳۰
17-А is an examination of all the units in a population. 1. random sampling with replacement * random sampling without replacement
3. statistical inference 4 census
18-А variable can have values that are numbers on the real number line.
1. qualitative * quantitative 3. rand om 4. nominative
19-The probability of making a Type | error is denoted by ..... 1. а 2. b 3. 1 - а 4. 1-b
20-When the p-value is used for hypothesis testing, the null hypothesis is rejected if ...... -
1· p-value £ a * a < p-value 3. p-value * a 4-р-value = a
21-Ins Simple linear regression, which of the following statements indicates there is no linear relationship between the variables x and y?
1. Coefficient of determination is -1.0.
3. Sum of squares for error is 0.
22-The best definition for "Hypothesis" is 1. An unproved theory proposition
3. A unproved theory assumption
23-What is the best definition for "Supposition"?
Coefficient of correlation is zero.
None of these choices.
• A proved theory proposition
: A proved theory assumption
1. perposition * assumption rejection 4. decision 24-What is the closest definition of "outlying"?
1. For out from a certain point • overal
3 pair axis 25-What is the closest definition of "Predicted""?
1. overall 2. foretell proper 4. pair 26-What is the definition of "In general"?
1. axis 2 overall act 4. hypotheisi 27-What is the closest definition of "Independent"?
1. free from control toW CaSeS
3. random ovreall
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W.:*. مر=ح--ز آزمون و سنجش
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تعداد سوالات : تستی : ۳۰ تشریحی : ۰ زمان آزمون (دقیقه) : تستی : ۱۲۰ تشریحی : ۰ سری سوال : یک ۱
عن-وان درس : زبان تخصصی رشته تحصیلی / کد درس : آمار، ریاضیات و کاربردها ۱۱۱۷۰۳۰
28-What is the closest definition of 'choice"?
1. deal 2. select 3. reject 4. accept 29-The normal curve represents a distribution where the......... ر • • • • • • • • • and ....... are equal to each
other.
1. range/standard deviation/variance * mean / median/standard deviation
3 mode/median/standard deviation 4 mode/median/mean
30-Which of the following symbols represents the mean of the sample?
1. s2 2. s 3. m 4.
x
.V?"ו"ו. ו. ון. ו. ו
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