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gather all the confidence intervals that the class constructed in exercise 72 and make a graph plotting each interval
mice from 12 litters were weighed when 4 months old with one male and one female weighed from each litter weight in
to study whether or not pressure exerted on the upper arm increases bleeding time 39 persons had their upper arm
a a special diet was given to 16 children and their gain in weight was recorded over a 3-month period their mean gain
a general physician recorded the oral and rectal temperatures of nine consecutive patients who made first visits to his
bacterial colonies were counted on 12 plates there were two observers and the plate counts obtained were as
a physician is planning to take systolic blood pressure measurements from a group of office workers and a group of
in given problem make a test to determine whether or not pressure increases mean bleeding time use alpha 05problemto
in given problem test whether male rats are heavier on average than female rats use alpha 05problemmice from 12
in given problem test to determine a whether or not oral and rectal temperatures are the same b whether mean oral
investigators are studying two drugs used to improve the fevl readings a measure of lung function in asthmatic
test the null hypothesis of equal means for the data given in given problem using sigma 01problem bacterial colonies
in given problem use the standard deviations for bleeding times calculated from 43 bleeding times without pressure and
in given problem there was a sample of 12 litters of mice each consisting of 1 male and 1 female and the data consisted
a quality control inspector examines some bottles of a herbal medication to determine if the tablets are all within
in problems 1 and 2 what justification is there for using the tables of the normal distributionproblems 1if samples of
1 what is the probability that a sample mean from a sample size 16 lies above 145 lb2 find p95 the 95th percentile for
1 what percentage of women weigh between 120 and 160 lb2 if samples of size 16 are drawn from the population of womens
the following table contains values of body mass index bmi for 25 patients obtain the mean and standard deviation use a
for a population consisting of the numbers 1 2 3 4 and 5 if all possible samples of size 4 were obtained without
compute the mean and standard deviation from table for the low-altitude
measure the length of the index finger in centimeters for each person in the class using this data repeat problems 1
the following data are ordered systolic blood pressures in millimeters of mercury mmhg from 48 young adult malesa
in a study of nursing home patients the following data were obtained for each patient age gender previous smoking
using an available statistical package try to repeat what you obtained in problems 1-3 compare the results and describe