Question48:-In Correlation, the shape of the curve is
A:-Skewed towards right side
B:-Skewed towards left side
C:-Both of the above
D:-Dumbbell shaped
Correct Answer:- Option-D

Question49:-MeanA:-Positively skewed distribution
B:-Negatively skewed distribution
C:-Standard normal distribution
D:-None of the above
Correct Answer:- Option-B

Question50:-In a standard normal distribution, Mean +3 Standard Deviation which covers about 99% of data, the Z-score is
taken as

ا
2-:8
‎C:-2.5‏
‏3.5-:0
‎Correct Answer:- Option-C‏
‎Question51:-Which among the following is NOT a feature of parametric tests‏
‎A:-Distribution is assumed to be normal‏
‎B:-Data is in Interval scale or Ratio scale‏
‎:-Data set relationships are independent in nature‏
‎D:-The correlation test used in Spearman's correlation‏
‎Correct Answer:- Option-D‏
‎Question52:-Sensitivity of a biochemical test is‏
‎A:-The closeness with which measured values agree with true value‏
‎B:-The ability to identify correctly all those who have the disease‏
‎C:-The ability to identify correctly all those who do not have the disease‏
‎D:-Both A and B‏
‎Correct Answer:- Option-B‏
‎Question53:-Reliability and repeatability can be measured by‏
‎A:-Correlation‏
‎-Regression‏
‎C:-Both of the above‏
‎D:-None of the above‏
‎Correct Answer:- Option-A‏
‎Question54:-Fluoride as an element was discovered by H.V. Churchill in the year‏
‎A:-1901‏
‎B:-1931‏
‎C:-1941‏
‏1945-:0
‎Correct Answer:- Option-B‏
‎Question55:-The Turku sugar study on diet and dental caries was conducted by‏
‎A:-Gustafsson et al in 1954‏
‎B:-Scheinin and Makinen in 1975‏
‎C:-Sullivan and Harris in 1963‏
‎D:-None of the above‏
‎Correct Answer:- Option-B‏
‎Question56:-In the Lactobacillus count test, which reading is inferred as moderate risk‏
‎A:-1000-5000‏
‏5000-10000-
‎C:-More than 10000‏
‎D:-More than 15000‏
‎Correct Answer:- Option-B‏
‎Question57:-The indicator dye used in Ora test is‏
‎A:-Diazoresorcinol‏
‎-Methylene blue‏
‎C:-Bromocresol green‏