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Chapter: 8 / Q: 15
In a class of 134 medical students, the mean systolic blood pressure was found to be 126 mm Hg with a standard deviation of 6 mm Hg If the blood pressures in this sample are normally distributed, what portion of the medical students will have systolic blood pressures above 132 mm Hg?
Chapter: 8 / Q: 16
In a household survey conducted on ten families the frequency of family members in different age groups was less than 5 years ? 21, 5 – 14 years ? 16, 15 – 64 years ? 77 & > 65 years ? 1. The relative frequency of members in 15 – 64 years age group would be:
Chapter: 8 / Q: 17
Malaria cases were reported throughout the world during the year 1971 – 1978 excluding African region. These cases can be best represented by:
Chapter: 8 / Q: 18
There are 50 individual in population and they have same hemoglobin level that is 14g/dL. As there is no variability, the standard deviation will be:
Chapter: 8 / Q: 19
A mean hemoglobin level of 100 women in a population sample is 12g/dL with standard deviation of 2. The confidence interval for the population mean would be:
Chapter: 8 / Q: 20
The students of Wah Medical College visited Nasheman School. The numbers of students per class from class I to class IX were as follows:
Chapter: 8 / Q: 21
In a village of 300 population, 60% constitute Hindus, 20% Muslims, 10% Sikhs and 10% Christians. We want to take a sample of 10% of the population to study the eating habits of this population. The best method would be:
Chapter: 8 / Q: 22
The median of a series of 20 observations is 10, mean is 11.5 and mode is 11, which of the following measures can be subjected to statistical manipulation:
Chapter: 8 / Q: 23
Which of the following can have more than one value?
Chapter: 8 / Q: 24
The distribution of heights of the girls in Wah Medical College was plotte The most frequent value was 5? – 2”, which gives a single most important clue to its:
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