Statistic is tha a collection of methods for planning experiments, obtaining data, and then organizing, summarizing, presenting analyzing, interpreting and drawing conclusions based on the data.Statistic is the practice or science of collecting and analysing numerical data in large quantities, especially for the purpose of inferring proportions in a whole from those in a representative sample.Statistics deals with all aspects of data including the planning of data collection in terms of the design of surveys and experiments. See glossary of probability and statistics.When census data cannot be collected, statisticians collect data by developing specific experiment designs and survey samples. Statistics is a mathematical body of science that pertains to the collection, analysis, interpretation or explanation, and presentation of data, or as a branch of mathematics. Some consider statistics to be a distinct mathematical science rather than a branch of mathematics. While many scientific investigations make use of data, statistics is concerned with the use of data in the context of uncertainty and decision making in the face of uncertainty. Just follow the Mcqs online quiz being dispatched over here with respect to your preparation for entry admission test NTS PPSC OTS PTS and missllenous job exams simultaneously.

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## Statistic Mcqs Online With Answers for NTS PPSC Entry Test Classes

## Statistic

Latest Statistic Mcqs Online with Answers.

#### The measure of dispersion is changed by a change of?

#### A measure of dispersion is always?

#### All values in sample distribution that can freely varies in selected random sample from population are indicated as?

#### Which branch of statistics deals with the techniques that are used to organize, summarize, and present the data?

#### Which of the following is not a measure of central tendency?

#### Methods in statistics that uses sample statistics to estimate parameters of population are considered as?

#### The first hand and unorganized form of data is called?

#### In statistical analysis, sample size is considered large if?

#### Standard deviation is calculated from the Harmonic Mean (HM)?

#### In uni-model distribution, if mode is less than mean?

#### Uncertainty of elements can be reduced with estimation of

#### Which of these represent qualitative data?

#### Given X1=12,X2=19,X3=10,X4=7X1=12,X2=19,X3=10,X4=7, then ∑4i=1∑i=14 equals?

#### A chance variation in an observational process is?

#### The grouped data is also called?

#### If standard deviation of population is 35 and sample size is 9 then standard deviation of sampling distribution is?

#### For Mesokurtic curve of the distribution, β2β2 is?

#### Data in the Population Census Report is?

#### The Coefficient of Skewness is always zero for ——— distribution?

#### If value of x-bar is 70 and μ of sampling distribution is 15 with standard deviation is 20 then standard normal variable is?

#### Which of the following is not based on all the observations?

#### Lack of symmetry is called?

#### In inferential statistics, we study?

#### Which of the following describe the middle part of a group of numbers?

#### Statistic is a numerical quantity, which is calculated from?

#### The degree of peakedness is called?

#### Type of stratified proportion sampling in which information is gathered on convenience basis from different groups of population is classified as?

#### If mean of population is 25 then mean of sampling distribution is

#### In statistics, conducting a survey means?

#### The first moment about means is always?

#### Parameters of population are denoted by the?

#### Questionnaire survey method is used to collect?

#### In statistics, a population consists of?

#### In systematic sampling, value of k is classified as?

#### The mean deviation of the values, 18, 12, 15 is?

#### For a symmetrical distribution approximately 68% of the cases are ?

#### A constant variable can take values?

#### If the standard deviation of a population is 9, the population variance is?

#### The algebraic sum of deviations from mean is?

#### The number of accidents in a city during 2010 is?

#### Which one of the following measurement does not divide a set of observations into equal parts?

#### Variance remains unchanged by change of?

#### If a and b are two constants, then Var(a+bX)Var(a+bX) is?

#### The sum of squares of deviation is least if measure from?

#### Census reports used as a source of data is?

#### According to the empirical rule, approximately what percent of the data should lie within μ±2σμ±2σ?

#### Variance is always calculated from?

#### You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of?

#### Mean Deviation, Variance and Standard Deviation of the values 4, 4, 4, 4, 4, 4 is?

#### In descriptive statistics, we study?

#### Which of the following divides a group of data into four subgroups?

#### Life of a T.V picture tube is a?

#### The measure of Dispersion can never be?

#### Which of these is a relative measure of dispersion http://itfeature.com?

#### The variance of a constant is?

#### If the third moment about mean is zero then distribution is?

#### If mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is?

#### The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation?

#### Regardless to difference in distribution of sample and population, mean of sampling distribution must be equal to?

#### The middle value of an ordered array of numbers is the?

#### Method of sampling in which population is divided in to mutual exclusive groups that have useful context in statistical research is classified as?

#### Primary data and _____________ data are same?

#### A parameter is a measure which is computed from?

#### Listing of elements in population with identifiable number is classified as?

#### If a distribution is abnormally tall and peaked, then is can be said that the distribution is?

#### Second moment about mean is?

#### In systematic sampling, population is 200 and selected sample size is 50 then sampling interval is?

#### Unknown or exact value that represents whole population is classified as?

#### Conditions such as large sample size to represent population and samples must be drawn randomly are included in?

#### The sum of the deviations about the mean is always?

#### — is used to criterion of consistency i.e for consistence performance?

#### The sum of squared deviations of a set of n values from their mean is?

#### Quartile Coefficient of skewness lies between?

#### When data are collected in a statistical study for only a portion or subset of all elements of interest we are using?

#### Cluster sampling, stratified sampling and systematic sampling are types of?

#### Theorem which states that as sample size increases sampling distribution must approach normal distribution is classified as?

#### Sum of dots when two dice are rolled is?

#### Mistakes or biases which are considered as causes of non-sampling errors must includes?

#### The weights of students in a college/school is a?

#### The data which have already been collected by some one are called?

#### Lowest value of variance can be?

#### Var(2X+3)Var(2X+3) is?

#### If right tail is longer than left tail then distribution is called?

#### In statistics, a sample means?

#### If Y=−8X − 5 and SD of X is 3, then SD of Y is?

#### Bias occurred in collection of sample because of confusing questions in questionnaire is classified as?

#### The percentage of values lies between X¯¯¯¯±2SDX¯±2SD is

#### Which one is the not measure of dispersion?

#### Principle which states that larger sample size larger accuracy and stability is part of?

#### Bias in which few respondents responds to offered questionnaire is classified as?

#### The height of a student is 60 inches. This is an example of?

#### The standard deviation is always _________ than mean deviation?

#### —— is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?

#### In cluster sampling, elements of selected clusters are classified as?

#### If standard deviation of population is known then μ must be equal to?

#### Population census is conducted through?

#### The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is?

#### Suppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observation will be?

#### If all values are same then the measure of dispersion will be?

#### Measures in sampling that are results of sample analyses are called?

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