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.

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

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

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

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

#### Variance is always calculated from?

#### The variance of a constant is?

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

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

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

#### Second moment about mean is?

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

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

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

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

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

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

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

#### In statistics, a sample means?

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

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

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

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

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

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

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

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

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

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

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

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

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

#### Quartile Coefficient of skewness lies between?

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

#### Which of these represent qualitative data?

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

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

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

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

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

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

#### In inferential statistics, we study?

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

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

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

#### In descriptive statistics, we study?

#### The grouped data is also called?

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

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

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

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

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

#### 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?

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

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

#### Lowest value of variance can be?

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

#### Lack of symmetry is called?

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

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

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

#### If the standard deviation of the values 2, 4, 6, 8 is 2.33, then the standard deviation of the values 4, 6, 8, 10 is?

#### Population census is conducted through?

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

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

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

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

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

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

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

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

#### A measure of dispersion is always?

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

#### The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution is?

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

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

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

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

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

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

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

#### The degree of peakedness is called?

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

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

#### A constant variable can take values?

#### 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?

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

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

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

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

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

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

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

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

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

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

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

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

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