Placebo
A placebo is a “control” that mocks ______ ______ _______ ______ _______ _______ ______ ________.
_____ ____ _______ ______ __________.
________ _____ ___ _________ _______ ________.
________ ____ ____ _____ ___ _______ ______ ___ _________ _________ ___.
____ ______ ______ ____ _________ _____.
____.
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A data sample is sorted into 2X2 contingency table based on two factors (hemoglobin and malnutrition status) each of which has two levels:-
Find out the value of column (C) and row (R) totals and grand total (n). Also Also test the association between the two factors using .
What is normal distribution curve? Enumerate its characteristics.
Proximity error
Following are weight measurements of 7 boys and 10 girls aged 1-5 years:
| Boys: | 13, | 14, | 11, | 12, | 15, | 13, | 13 | |||
| Girls: | 10, | 16, | 12, | 13, | 18, | 13, | 19, | 14, | 13, | 12 |
Placebo
Parametric and Non-Parametric Test
Describe the assumptions on which non-parametric tests are based.