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In order to ?nd out the average hemoglobin (Hb) level in children with chronic diarrhea, a random sample of 10 children with chronic diarrhea is selected from a city 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
Assuming that the data may be looked upon as a random sample from a normal population, construct a 99% con?dence interval for the actual average Hb level in children with chronic diarrhea for this city and interpret. Draw a box plot and normal plot for this data, and comment.
The standard deviation of a list of numbers is a measure of how much the numbers deviate from the averag
1 you are sending out 60 invitations to a party.each person can bring a guest if they wish. suppose its equal probable
Compute the value of the sample correlation coefficient between weekly sales and shelf space. Is the correlation between weekly sales and shelf space significant at the .01 level of significance? What is the estimated regression equation?
question 1 suppose you own a campsite in chamarel and you wish to increase the site in order to increase your profits.
the average selling price of blackberry smart phones purchased by a random sample of 35 customers in 2010 was 311.
Part A: Russia is well known to be amongst the most adroit nations at manipulating public opinion in other countries via its foreign influence operations. A Russian SVR agent has 45 million dollars
hypothesis test for one sample meana survey of 50 clientsin january 08 fifty clients of a county mental health mental
the squares of a rectanglar board of 11 rows and 9 columns are numbered sequentically 1 through 99 with a hidden
in order to estimate the mean amount of time computer users spend on the internet each month how many computer users
What sample size is needed to estimate with 95 persent confidence the mean intake of calcium within 20 units of the true mean if the intake is normal with a variance of 1900 units?
Calculate, the expected demand and the standard deviation of the demand for each wine and calculate the expected profit for each wine.
In the other group 40 out of 80 favored capital punishment. Calculate an appropriate test value to test the hypothesis that the population proportions are the same.
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