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Q1) You wish to find out if negative relationship exists between amount of bottled water someone drinks and their water bill. Place differently, if people drink lot of bottled water do they use less water?
Bottles of water
Gallons of Water Used
44
265
41
445
26
353
21
301
35
149
i) Explain the relationship, if one exists?
ii) Create a prediction model, if suitable.
Carry out an ANOVA and describe in detail in a BPS-formatted Results section:
Determine the point estimate? Give the symbol and value.
Illustrate is the range of values for a coefficient of correlation. Illustrate degree of relationship do values of the correlation coefficient (r)with magnitudes close to 1.00 indicate.
A manufacturer of 35-mm cameras knows that a shipment of 30 cameras sent to the large discount store contains 8 defective cameras. The manufacturer also knows that the store will choose two of the cameras at a random, test them, and accept the shi..
The sample size n , the sample means, and the sample standard deviations for the two groups are given below.
Use value you found in part a to find out degree of confidence for interval 65.65
The airline must sell 150 seats to break even on this particular flight. On what percent of the flights does the airline make money?
Why might driver be tempted not to use seat belt "just on this trip"?
Construct a 95 percent confidence interval for the true mean.
Give the Z- score cutoff (or cutoffs) on the comparison distribution at which the null hypothesis should be rejected
No estimate of the population proportion is available. How large a sample is required?
We want to know if his support has decreased. In computing a test of hypothesis with , what is the estimate of the overall proportion?
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