SantΓ© Publique Test

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SantΓ© Publique Test

 

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αž€αžΆαžšαžŸαž·αž€αŸ’αžŸαžΆαž‘αŸ…αž›αžΎαžŸαŸ†αžŽαžΆαž€αž“αŸƒαž“αž·αžŸαŸ’αžŸαž·αžαž†αŸ’αž“αžΆαŸ†αž‘αžΈαŸ’B αž…αŸ†αž“αž½αž“αŸ‘αŸ₯αž“αžΆαž€αŸ‹ αžšαž€αžƒαžΎαž‰αžαžΆαž“αž·αžŸαŸ’αžŸαž·αžαž”αžΆαž“αž…αŸ†αžŽαžΆαž™αž–αŸαž›αžŸαž·αž€αŸ’αžŸαžΆαž“αŸ…αž”αžŽαŸ’αžŽαžΆαž›αŸαž™αž‡αžΆαž˜αž’αŸ’αž™αž˜ 50 αž“αžΆαž‘αžΈ αž€αŸ’αž“αž»αž„αŸ‘ αžαŸ’αž„αŸƒαŸ” αž‚αŸαž…αž„αŸ‹αž’αŸ’αžœαžΎ hypothesis testing αžŠαŸ„αž™αž˜αžΆαž“ H0: αžšαž™αŸ‡αž–αŸαž›αžŸαž·αž€αŸ’αžŸαžΆαž€αŸ’αž“αž»αž„αž”αžŽαŸ’αžŽαžΆαž›αŸαž™β‰₯ αŸ¦αŸ αž“αžΆαž‘αžΈ αž“αž·αž„ Ha: αžšαž™αŸ‡αž–αŸαž›αžŸαž·αž€αŸ’αžŸαžΆαž€αŸ’αž“αž»αž„αž”αžŽαŸ’αžŽαžΆαž›αŸαž™ < αŸ¦αŸ αž“αžΆαž‘αžΈαŸ” αž€αžΆαžšαž’αŸ’αžœαžΎαžαŸαžŸαŸ’αžαž”αŸ‚αž”αž“αŸαŸ‡αž‡αžΆαž”αŸ’αžšαž—αŸαž‘

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αž“αŸ…αž€αŸ’αž“αž»αž„ hypothesis testing αž˜αžΆαž“αž€αŸ†αž αž»αžŸ(error) αž–αžΈαžšαžŠαŸ‚αž›αž’αžΆαž…αž€αžΎαžαž‘αžΎαž„αŸ” αžαžΎαžƒαŸ’αž›αžΆαžαžΆαž„αž€αŸ’αžšαŸ„αž˜αž“αŸαŸ‡ αžƒαŸ’αž›αžΆαž˜αž½αž™αžŽαžΆαžŠαŸ‚αž›αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœαž‘αŸ…αž“αžΉαž„αž“αž·αž™αž˜αž˜αŸαž™αžšαž”αžŸαŸ‹ error.

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αž€αžΆαžšαžŸαž·αž€αŸ’αžŸαžΆαž‘αŸ…αž›αžΎαžŸαŸ†αžŽαžΆαž€αž“αŸƒαž“αž·αžŸαŸ’αžŸαž·αžαž†αŸ’αž“αžΆαŸ†αž‘αžΈαŸ’A αž…αŸ†αž“αž½αž“αŸ‘αŸ₯αž“αžΆαž€αŸ‹ αžšαž€αžƒαžΎαž‰αžαžΆαž“αž·αžŸαŸ’αžŸαž·αžαž”αžΆαž“αž…αŸ†αžŽαžΆαž™αž–αŸαž›αžŸαž·αž€αŸ’αžŸαžΆαžšαž™αŸˆαž–αŸαž›β€‹αž˜αž’αŸ’αž™αž˜ αŸ‘αŸ’αŸ αž“αžΆαž‘αžΈ αž€αŸ’αž“αž»αž„αŸ‘ αžαŸ’αž„αŸƒ αž αžΎαž™αž˜αžΆαž“ standard deviation αŸ¦αŸ αž“αžΆαž‘αžΈ αž αžΎαž™αž€αžΆαžšαžŸαž·αž€αŸ’αžŸαžΆαž‘αŸ…αž›αžΎαžŸαŸ†αžŽαžΆαž€αž“αž·αžŸαŸ’αžŸαž·αžαž†αŸ’αž“αžΆαŸ†αž‘αžΈ ្Cαž…αŸ†αž“αž½αž“ ៑៑ αž“αžΆαž€αŸ‹αž”αžΆαž“αžšαž€αžƒαžΎαž‰αžαžΆαž“αž·αžŸαŸ’αžŸαž·αžαž”αžΆαž“αž…αŸ†αžŽαžΆαž™αž–αŸαž›αžŸαž·αž€αŸ’αžŸαžΆαžšαž™αŸˆαž–αŸαž› αŸ‘αŸ αŸ αž“αžΆαž‘αžΈαž€αŸ’αž“αž»αž„αŸ‘αžαŸ’αž„αŸƒαž αžΎαž™αž˜αžΆαž“ standard deviation 20 αž“αžΆαž‘αžΈαŸ”αž‚αŸαž…αž„αŸ‹αž”αŸ’αžšαŸ€αž”αž’αŸ€αž”αžαžΆαžαžΎαž“αž·αžŸαŸ’αžŸαž·αžαž†αŸ’αž“αžΆαŸ†αž‘αžΈ ្A αž“αž·αž„ 2 B αž”αžΆαž“αž…αŸ†αžŽαžΆαž™αž–αŸαž›αžŸαž·αž€αŸ’αžŸαžΆαžŸαŸ’αž˜αžΎαžšαž‚αŸ’αž“αžΆαžŠαŸ‚αžšαž¬αž‘αŸ αžαžΎαž‚αŸαžαŸ’αžšαžΌαžœαžŸαžšαžŸαŸαžš statistical hypothesis αž™αŸ‰αžΆαž„αžŠαžΌαž…αž˜αŸ’αžαŸαž…?

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αž“αŸ…αž€αŸ’αž“αž»αž„ One sided hypothesis testing, αž™αžΎαž„αž’αžΆαž… Reject H0 αžŠαŸ„αž™αž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹ Z ឬ t Distribution

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αžαžΎαž’αŸ’αžœαžΈαžαŸ’αž›αŸ‡αž‡αžΆαž•αŸ’αž“αŸ‚αž€αžšαž”αžŸαŸ‹Descriptive statistics?

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In statistics, a population consists of

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In inferential statistics, we study

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If an event is impossible it has a probability of:

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All statements below are correct to describe the positive predictive value of a screening test except one:

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A confidence interval is describe (chose the correct answer):

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What is the correct interpretation of 95% confidence interval below:

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A positive predictive value depend on:

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What is the statement of specificity of a diagnostic test:

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Which answer below is not correct about the confidence interval:

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If the variance of a data set is correctly computed with the formula using n – 1 in the denominator, which of the following is true?

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A numerical value used as a summary measure for a sample, such as sample mean, is known as a

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We measure the sample using statistics in order to:

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What is the correct statement of positive predictive value (PPV) of a screening test:

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If the penalty for missing a case is high (e.g., the disease is fatal and treatment exists, or disease easily spreads) the best diagnostic test is:

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The branch of biostatistics that deals with testing of hypothesis, making predictions using data collected is called:

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In descriptive statistics, we study:

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What is the correct statement of diagnostic test:

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On the statements below what is valid statements of probability:

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If a specificity of a screening test was 89%, it means that:

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If an event has a probability of 0.1 it is:

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The Negative Predictive Value was 98% means that:

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Which below statement is not correct:

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What is the probability of getting an odd number when you roll a dice?

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The director of the blood bank wants to know whether blood donors who test positive should be informed of their positive HIV status on the basis of this test. What do you need to calculate in order to help you advise the director?

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Students had attended a blood donor session at the University of Health Science when a new donor arrived. Blood can be classified into 4 groups: O, A, B and AB. The table below shows the number of people in each blood group. What is the probability that the next donor belongs to blood group O?

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αžƒαŸ’αž›αžΆαžαžΆαž„αž€αŸ’αžšαŸ„αž˜αž“αŸαŸ‡αžŸαž»αž‘αŸ’αž’αžαŸ‚αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœαž›αžΎαž€αž›αŸ‚αž„αžαŸ‚αžƒαŸ’αž›αžΆαž˜αž½αž™αžŠαŸ‚αž›αžαž»αžŸ αž€αžΆαžšαž‚αžŽαž“αžΆαž…αŸ†αž“αž½αž“αž€αžšαžŽαžΈαž“αŸƒαž‡αž˜αŸ’αž„αžΊαž’αžΆαŸ†αž„αžŸαŸŠαžΈαžŠαž„αŸ‹αž“αž·αž„αž”αŸ’αžšαŸαžœαŸ‰αžΆαž‘αž„αŸ‹αž•αŸ’αžŠαž›αŸ‹ αž’αŸ„αž™αž…αŸ†αž“αž½αž“αž’αŸ’αž“αž€αž‡/αž„αžŠαŸ‚αž›αž‚αž½αžšαž’αŸ„αž™αž‘αž»αž€αž…αž·αžαŸ’αžαž”αžΆαž“ (The calculation of both prevalence and incidence requires a reliable estimate of the numberof individuals with the disease). αž˜αž’αŸ’αž™αŸ„αž”αžΆαž™αž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹αžŸαŸ†αžšαžΆαž”αŸ‹αž€αŸ†αžŽαžαŸ‹αž…αŸ†αž“αž½αž“αž€αžšαžŽαžΈαž’αŸ’αž“αž€αž‡/αž„αžšαž½αž˜αž˜αžΆαž“:

 

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αž˜αŸ‰αžΌαž (Mode) αž‚αžΊαž‡αžΆ:

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Identifying cases from personal interviews. Information on disease occurrence obtained by personal interview or from questionnaires may be altered by:

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Definition of median, Median is:

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Incidence of disease refers to the number that develop in a population at risk for the disease over a specified period time of:

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αž“αŸ…αž€αŸ’αž“αž»αž„αžαŸαžαŸ’αžαž”αŸ‰αŸƒαž›αž·αž“αž˜αžΆαž“αž”αŸ’αžšαž‡αžΆαž‡αž“ ៦០០០០ αž“αžΆαž€αŸ‹ αž“αŸ…αžŠαžΎαž˜αž†αŸ’αž“αžΆαŸ† αŸ’αŸ αŸ‘αŸ€αŸ” αž‘αžΆαžšαž€αž€αžΎαžαžšαžŸαŸ‹αž€αŸ’αž“αž»αž„αž†αŸ’αž“αžΆαŸ†αž“αŸ„αŸ‡αž˜αžΆαž“ ៀ%αŸ” αž˜αžΆαž“αžŸαŸ’αžŠαŸ’αžšαžΈ αŸ₯០ αž“αžΆαž€αŸ‹αžŸαŸ’αž›αžΆαž”αŸ‹αž‘αžΆαž€αŸ‹αž‘αž„αž“αžΉαž„αž˜αžΆαž“αž•αŸ’αž‘αŸƒαž–αŸ„αŸ‡ αž“αž·αž„αž‡αž»αŸ†αžœαž·αž‰αž€αžΆαžšαž†αŸ’αž›αž„αž‘αž“αŸ’αž›αŸαžŸαŸ’αž˜αžΎαž“αžΉαž„αž’αžαŸ’αžšαžΆ:

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The numerator of calculation Crude death rate (CDR) is:

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αž“αŸ…αž€αž˜αŸ’αž–αž»αž‡αžΆ αž’αžαŸ’αžšαžΆαž˜αžšαžŽαŸˆαž—αžΆαž–αžšαž”αžŸαŸ‹αž˜αžΆαžαžΆαž˜αžΆαž“ ៦០ αž—αžΆαž‚ ៑០០០ αž€αžΎαžαžšαžŸαŸ‹αž˜αžΆαž“αž“αŸαž™αžαžΆ:

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An attack rate is:

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By definition a variable is:

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αž“αŸ…αž€αž˜αŸ’αž–αž»αž‡αžΆ Taux de mortalitΓ© infantile, Infant Mortality Rate αž˜αžΆαž“ αŸ₯០ αž—αžΆαž‚β€‹αŸ‘αŸ αŸ αŸ  αž€αžΎαžαžšαžŸαŸ‹αž€αŸ’αž“αž»αž„αž†αŸ’αž“αžΆαŸ† αŸ’αŸ αŸ αŸ αŸ” αž˜αžΆαž“αž“αŸαž™αžαžΆαž€αŸ’αž“αž»αž„αž€αŸ†αž‘αž»αž„αž†αŸ’αž“αžΆαŸ† ្០០០

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The numerator of calculation post- neonatal mortality rate is:

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The inclusion of “probable” case, according to more lenient diagnostic criteria, may:

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αžαžΎαž’αžαŸ’αžšαžΆαž’αŸ’αžœαžΈ αžŠαŸ‚αž›αž‚αŸαž‚αžŽαž“αžΆ αž…αŸ†αž“αž½αž“αž“αŸƒαž€αžΆαžšαž€αžΎαžαž€αŸ’αž“αž»αž„ ៑ αž†αŸ’αž“αžΆαŸ† αžŸαŸ†αžšαžΆαž”αŸ‹αž”αŸ’αžšαž‡αžΆαž‡αž“ ៑០០ αž“αžΆαž€αŸ‹?

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True biologic variation in clinical measurement is the sum:

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αž€αŸ’αž“αž»αž„αžαŸ’αž“αžΆαž€αŸ‹αž˜αž½αž™αž˜αžΆαž“αž“αž·αžŸαž·αŸ’αžŸαžαžŸαžšαž»αž”αž…αŸ†αž“αž½αž“ ៩០ αž“αžΆαž€αŸ‹ αž€αŸ’αž“αž»αž„αž“αŸ„αŸ‡αž˜αžΆαž“αž“αž·αžŸαŸ’αžŸαž·αžαž“αžΆαžšαžΈ ៣០ αž“αžΆαž€αŸ‹αŸ” Ratio αžšαžœαžΆαž„αž“αž·αžŸαŸ’αžŸαž·αžαž”αž»αžšαžŸαž“αž·αž„αž“αžΆαžšαžΈαž‚αžΊαŸ–

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The mean population in Rattanakiri province is 30000 populations (P) in year 2005.All cases of mortality is 200 cases. # Live births = 1500 live births. Infant death under 1 year have 90 cases. # Live births of infant < 28 days of age = 200 Live births. Neonatal mortality = 45 cases and Maternal mortality = 50 deaths. Maternal mortality rate is:

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Definition of midrange. The midrange is the:

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αž’αžΆαŸ†αž„αžŸαŸŠαžΈαžŠαž„αŸ‹αžαž™αž…αž»αŸ‡αž€αžšαžŽαžΈ:

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αž“αŸ…αž€αž˜αŸ’αž–αž»αž‡αžΆ Taux de mortalitΓ© nΓ©onatale, Neonatal Mortality Rateαž˜αžΆαž“ ៣០ αž—αžΆαž‚ β€‹αŸ‘αŸ αŸ αŸ αž€αžΎαžαžšαžŸαŸ‹αž€αŸ’αž“αž»αž„αž†αŸ’αž“αžΆαŸ† αŸ’αŸ αŸ αŸ αŸ” αž˜αžΆαž“αž“αŸαž™αžαžΆαž€αŸ’αž“αž»αž„αž€αŸ†αž‘αž»αž„αž†αŸ’αž“αžΆαŸ† ្០០០

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Properties and uses of the mean. The mean is / has:

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The prevalence of a disease depends on:

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αž’αžαŸ’αžšαžΆαž˜αžšαžŽαŸˆαž—αžΆαž–αž“αŸƒαž€αž»αž˜αžΆαžš (Infant mortality Rate, Taux de mortalitΓ© infantile) αž‚αžΊαž‡αžΆαž€αžΆαžšαž‚αžŽαž“αžΆαž’αžαŸ’αžšαžΆαž˜αžšαžŽαŸˆαž—αžΆαž–αžŸαŸ†αžŠαŸ…αž‘αŸ…αž›αžΎαž€αž»αž˜αžΆαžšαžŠαŸ‚αž›αž˜αžΆαž“αž’αžΆαž™αž»:

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αžαžΎαž’αžαŸ’αžšαžΆαž’αŸ’αžœαžΈ αžŠαŸ‚αž›αž‚αŸαž‚αžŽαž“αžΆ αž…αŸ†αž“αž½αž“αž“αŸƒαž‘αžΆαžšαž€αžŸαŸ’αž›αžΆαž”αŸ‹ αž’αžΆαž™αž»αž€αŸ’αžšαŸ„αž˜ ៧ αžαŸ’αž„αŸƒ?

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The categories of variable show that Male, Female and Blood type: type A, type B, type O, type AB is the type of:

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αž“αŸ…αž€αŸ’αž“αž»αž„αžαŸαžαŸ’αžαž”αŸ‰αŸƒαž›αž·αž“αž˜αžΆαž“αž”αŸ’αžšαž‡αžΆαž‡αž“αŸ¦αŸ αŸ αŸ αŸ  αž“αžΆαž€αŸ‹ αž“αŸ…αžŠαžΎαž˜αž†αŸ’αž“αžΆαŸ† αŸ’αŸ αŸ‘αŸ€αŸ” αž‘αžΆαžšαž€αž€αžΎαžαžšαžŸαŸ‹αž€αŸ’αž“αž»αž„αž†αŸ’αž“αžΆαŸ†αž“αŸ„αŸ‡αž˜αžΆαž“ ៀ% αž€αž»αž˜αžΆαžšαžŸαŸ’αž›αžΆαž”αŸ‹αž’αžΆαž™αž»αž€αŸ’αžšαŸ„αž˜ ្៨ αžαŸ’αž„αŸƒ αž˜αžΆαž“ ៣០% αž“αŸƒαž€αž»αž˜αžΆαžšαž€αžΎαžαžšαžŸαŸ‹αžŸαžšαž»αž”αž“αž·αž„αžŸαŸ’αž›αžΆαž”αŸ‹ ៣៦ αž“αžΆαž€αŸ‹αŸ” Taux de mortalitΓ© NΓ©onatal, Neonatal Mortality Rate αž˜αžΆαž“:

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The population beginning of the year 2000 in Rattanakiri province has 60000 populations (P) and the end of the same year and same place have 70000 populations.All cases of mortality are 200 cases. # Live births = 12000 live births. The mean population in Rattanakiri in year 2000 has:

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αž“αŸ…αž€αŸ’αž“αž»αž„αžαŸαžαŸ’αžαž”αŸ‰αŸƒαž›αž·αž“αž˜αžΆαž“αž”αŸ’αžšαž‡αžΆαž‡αž“ αž˜αž’αŸ’αž™αž˜ ៦០០០០ αž“αžΆαž€αŸ‹ αž˜αžΆαž“αž‡αŸ†αž„αžΊαžšαž”αŸαž„αžŸαž€αž˜αŸ’αž˜αž—αžΆαž–αž€αžΎαžαžαŸ’αž˜αžΈαžαŸ’αžšαžΌαžœαž”αžΆαž“αžšαž€αžƒαžΎαž‰αž“αŸ…αž€αŸ†αž‘αž»αž„αž†αŸ’αž“αžΆαŸ† αŸ’αŸ αŸ‘αŸ€αž˜αžΆαž“αž…αŸ†αž“αž½αž“ ៦០ αž“αžΆαž€αŸ‹, αž‡αŸ†αž„αžΊαžšαž”αŸαž„αžŸαž€αž˜αžŸαž›αŸ‹αž–αžΈαž†αŸ’αž“αžΆαŸ†αž…αžΆαžŸαŸ‹ (្០៑៣) αž˜αžΆαž“αž…αŸ†αž“αž½αž“ ្០ αž“αžΆαž€αŸ‹ αž αžΎαž™αžˆαžΊαž”αž“αŸ’αžŠαžŠαž›αŸ‹αž…αž»αž„αž†αŸ’αž“αžΆαŸ† αŸ’αŸ αŸ‘αŸ€αŸ” αž’αžαŸ’αžšαžΆαž’αžΆαŸ†αž„αžŸαŸŠαžΈαžŠαž„αŸ‹αž‡/αž„ αžšαž”αŸαž„αž‚αžΊ:

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αž’αŸŠαžΈαžŸαŸ’αžŠαžΌαž€αŸ’αžšαžΆαž˜ (Histogram) αž‚αžΊαž‡αžΆαž€αŸ’αžšαžΆαž αŸ’αžœαž·αž€αž˜αž½αž™:

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Properties and uses of the median. The median is / has:

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