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An article gives the price-an estimated average for a 6-ounce can or a 7.06-ounce pouch-for 14 different brands of water-packed light tuna, based on prices paid nationally in supermarkets.
0.98 1.91 1.22 0.84 0.64 0.52 1.40 1.11 0.62 0.66 0.68 0.59 0.59 0.65
(a) Calculate the five-number summary.
Min= _____
Q1=____
Median=______
Q3=______
Max=_____
In a random sanple of 500. 205 answered NO to a question. a) What is the point estimate of the population who answered NO to a question?
security screening lines at hartsfield-jackson atlanta international airport are often long. the average time a
ten equally qualified marketing assistants are candidates for promotion to associate buyer seven are men and three are
Construct a pie chart for these data displaying the percentage of the whole that each of these genres represents. Construct a bar chart for these data.
What is the mean or expected number of customers that will arrive in a five-minute period?
Internet users age 12-17 in proportion who opposes ads? Solve manually and then by mega stat. Point to your decision rule, your hypotheses and statistical and management conclusions."
Suppose that you throw a dice 2 consecutive times and that you have to make a probabilities chart that show all the possible results of the 2 throws. How many branches will result?
What is the probability of getting a value between 46 and 54 in Fig. 8.4a? If 2,000 scores are plotted on the distribution, approximately how many lie between 48 and 50?
Some peaceful revolutions are episodes that erupt in violence. Therefore, some episodes that do not erupt in violence are non-peaceful revolutions.
A random variable X follows the uniform distribution with a lower limit of 670 and an upper limit of 750.
A sensitive measuring device should not have a large variance in the errors of measurements it makes.- Give a 99% confidence interval for the variance of measurement errors.
Let X be a normally distributed random variable with mean 600 and variance 10,000. Find two values x1 and x2 such that P(X > x1) = 0.01 and P(X > x2) = 0.05.
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