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Likert scales is often used in the studies of attitudes in which the raw scores are based on the graded alternative responses to each of a series of queries. For instance, the subject might be asked to indicate his/her degree of agreement with each of the series of statements relevant to the attitude. The number is attached to each possible response, for example
1:strongly approve; 2:approve; 3:undecided; 4:disapprove; 5:strongly disapprove; and the total of these used as the compo- site score. A generally used Likert-type scale in the medicine is the Apgar score used to appraise status of the newborn infants. This is the total of the points (0,1 or 2) allotted for each of the ?ve items:
* heart rate (is over 100 beats per minute 2 points, slower 1 point, no beat 0);
* the respiratory effort;
* the muscle tone;
* the response to simulation by the catheter in the nostril;
*the colour of skin.
Regression dilution is the term which is applied when a covariate in the model cannot be measured directly and instead of that a related observed value must be used in analysis. I
Regression line drawn as y= c+ 1075x ,when x was2, and y was 239,given that y intercept was 11. Calculate the residual ?
Hypothesis testing is a general term for procedure of assessing whether the sample data is consistent or otherwise with statements made about the population. It basically tells u
we are testing : Ho: µ=40 versus Ha: µ>40 (a= 0.01) Suppose that the test statistic is z0=2.75 based on a sample size of n=25. Assume that data are normal with mean mu and standa
Mixture experiment is an experiment in which the two or more ingredients are blended together to form an end product. The measurements are taken on the several blends of the ingre
Ask questT-TEST? ion #Minimum 100 words accepted#
Outlier is an observation which seems to deviate markedly from the other members of the sample in which it happens. In the set of systolic blood pressures, {125, 128, 130, 131, 19
Oracle property is a name given to techniques for estimating the regression parameters in the models fitted to high-dimensional data which have the property that they can correctl
Help on my test preparation . .
It is an informal method of assessing the effect of the publication bias, generally in the context of the meta-analysis. The effect measures from each of the reported study are plo
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