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In order to ?nd out whether children with chronic diarrhea have the same average hemo- globin level (Hb) that is normally seen in healthy children in the same area, a random sample of 10 children with chronic diarrhea are selected and their Hb levels (g/dL) are obtained as follows.
12.3 11.4 14.2 15.3 14.8 13.8 11.1 15.1 15.8 13.2
Do the data provide suf?cient evidence to indicate that the mean Hb level for children with chronic diarrhea is less than that of the normal value of 14.6 g/dL? Test the appropriate hypothesis using α = 0.01. Draw a box plot and normal plot for this data, and comment.
The company has evidence that its line produces %0.9 of noncorforming items. What is the probability that an item selected for inspection is classified as defective?
suppose babsie generated the following probability distribution px 5 .25 7 .30 10 .25 12 .05 15.is this probability
The winning team's scores in 7 high school basketball games were recorded. If the sample mean is 10.3 points and the sample standard deviation is 0.10 points,
a field researcher is gathering data on the trunk diameters of mature pine and spruce trees in a certain
How would I produce a probability graph for any column of data i.e. plotting concentration of the compound on the x-axis and probability on the y-axis how is this done? We are supposed to understand the significance of outlier data here?
samples of aircrew on long haul schedules are tested to assess the amount of time they spend in stage iv sleep. it has
Computer science instructor, 3 statistics instructors, and 4 science instructors. If an instructor is selected, find the probability of getting a science instructor or math instructor.
sports fans tune to a local sports talk radio station according to a poisson process with the rate of three fans every
A new group comes along and that only has 5 people. Their weights are also measured initially and after 9 weeks. What would be the most accurate methodology for determining the percentage of weight loss for this new group?
The random variable X, representing the number of accidents in a certain intersection in a week, has the following probability distribution
a metropolitan school system consists of three school districts-norths south central. the north district contains 25 of
In analyzing two independent small samples you notice that the standard deviation for both samples are the same. How does this affect the S2p (the pooled variance)? Explain your answer.
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