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Wael Hammad Questions
10601 Questions
The birth weights in a hospital are to be presented in a graph. This is best done by a:
Medicine
2022-12-02
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123
For a survey, a village is divided into 5 lanes, each lane is sampled randomly. It is an example of:
Medicine
2022-12-02
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In a descriptive study the mean is 220 and the standard error is 10, the 95 confidence limits would be:
Medicine
2022-12-02
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Serum cholesterol levels for two groups of Americans were recorded in 1989. The mean cholesterol levels of the two groups were compare To determine whether the measurements were significantly different or not, the most appropriate statistical test would be:
Medicine
2022-12-02
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A nutritional research team followed serum levels of vitamin B12 in 120 children for three years to determine the association between cyanocobalamin deficiency and the subsequent risk of developing Megaloblastic anemi The results were as follows:
Medicine
2022-12-02
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A household survey of 10 families was conducted by students of 4th year MBBS, Wah Medical Colleg In the collected data, the ages of heads of families were: 32, 34, 35, 36, 36, 42, 44, 46, 48, and 52. The mean age of heads of families is
Medicine
2022-12-02
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The median of the following data, is: 1,2,4,6,8,10,11,13
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2022-12-02
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A study was conducted in America to find out the proportion of blacks and white Americans in Californi This variable chosen is:
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2022-12-02
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It the positive predictive value of a test is higher it will indicate:
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2022-12-02
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When we move from one population to another population to screen a given diseas We expect a change in:
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2022-12-02
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For a given sensitivity and specificity the positive predictive value will be more if the disease under consideration has
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2022-12-02
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A screening test is positive in the majority of cases but false positive rate is much higher than true positives this indicates:
Medicine
2022-12-02
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After excision of breast for Ca breast, a surgical reconstruction of breast tissue was don This reflects:
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2022-12-02
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