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Chapter: 8 / Q: 35
A large study of bladder cancer and cigarette smoking produced the following data:
Chapter: 8 / Q: 36
Formula for chi square value is:
Chapter: 8 / Q: 37
The median of the following data, is:
Chapter: 8 / Q: 38
After arranging the data is ascending or descending order of magnitude, the value of middle observation:
Chapter: 8 / Q: 39
The area between two standard deviations on either side of the mean (X + 2S. will include approx how much values in the distribution?
Chapter: 8 / Q: 40
Following test of significance will be used when more than two groups are to be compared?
Chapter: 8 / Q: 41
If the mean cholesterol value of a group of normal subjects is 230 mg% with a standard error of 20. The 95% confidence limit for the population is:
Chapter: 8 / Q: 42
Birth rates of a population of infants at 36 weeks gestational age are approximately normally distributed, with a mean of 2500 grams. Roughly 95% of such infants weigh between 1900 and 3100 grams at birth. If a sample of 225 infants was studied the standard error would be:
Chapter: 8 / Q: 43
In Wah Medical College there are 86 students in final year, 102 in fourth year, 106 in Third year, 104 in second year and 100 in first year. The relative frequency of fourth year students would be:
Chapter: 8 / Q: 44
The distribution of height of the girls in Wah University was plotte The most frequent value was five feet and two inches, while mean height was five feet and eight inches. This show:
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