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To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below:
$ 298 $ 125 $ 511 $ 157 $ 231 $ 230 $ 304 $ 372
Find the Standard deviation.
Explain in words general pattern of correlation is statistically important.
find the percentage of such males that weigh between 190 and 210 lb. (Note: Make sure you choose the flag value closest to 190 and 210.) Give the proportion as a decimal rounded to thousandths.
Use the Poison distribution to find the indicated probabilites. Find the probability of 6 dandelions in an area of 1 m ²
The accounting department at Western Materials Inc. national manufacturer of unattached garages, reports it takes two construction workers of a mean of 32 hours and standard deviation of 2 hours to erect Red Barn MODEL.
Standard deviation of 5. suppose 100 golfers played the course today. Find the probability that the average score of the 100 golfers exceeded 74.
Discuss the factors which might cause variation in the weight of Tootsie Rolls during manufacture.
a) Draw the scatter diagram. Does it appear that x and y are related? If so, how? b) Test to determine whether there is evidence of a linear relationship.
The populations must all be normally distributed, what is meant by normally distributed?
Four different paints are advertised as having the same drying time. To check the manufacturer's claims, five samples were tested for each of the paints.
Work through a simple regression calculation using intrinsic job satisfaction nd extrinsic job satisfaction. Select thirty data points to use for each group.
The production manager at Bellevue Steel, a manufacturer of wheelchairs, wants to compare the number of defective wheelchairs produced on the day shift with the number on the afternoon shift.
A drama fan has taped 9 episodes (on nine different videotapes)of a drama. however, he only has time to watch four episodes. suppose he selects four tapes at random. How many different ordered arrangements of episodes are possible?
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