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The blood pressure measurements of a single patient were taken by twelve different medical students and the results are listed below construct a scatterplot find the value of the linear correlation coefficient r and the P-value using a=0.05 is there sufficient evidence to conclude that there is a linear correlation between systolic measurements and diastolic measurements? (Show work)
construct a scatterplot
the linear correlation coefficient r=
the test statistic is=
the P value is=
A researcher administers a treatment to a sample of participants selected from a population with µ = 80. If the researcher obtains a sample mean of M = 88, which combination of factors is most likely to result in rejecting the null hypothesis?
if two televisions are randomly selected, compute the probability that both televisions work. what is the probability that at least one does not work?
If it rains in Greenville on Monday, there is a 80% chance that it will rain in NC that day. What is the probability it will rain in at least one of the above states.
In multi-choice test, each question has four options. Students wil get 10 points for each correct answer; lose four points for each incorrect answer; and receive no points for unanswered questions.
an automobile insurance firm wants to find the average amount per claim for auto body repairs. its summary records
a catalog company that receives the majority of its orders by telephone conducted a study to determine how long
The old equipment? based on the results, does the new equipment appears to be effective in reducing the variation of the weights?
A random sample of 85 group leaders and supervisors revealed that they worked an average of 6.5 years before being promoted. The population standard deviation was 1.7 years. Using the 0.95 degree of confidence, what is the confidence interval for ..
consider a fair coin which when tossed results in either heads h or tails t. if the coin is tossed two timesa list all
What is the expected number of baby girls in the sample of 40 births? What is the standard deviation of this binomial distribution?
Discuss how scale impacts the interpretation of a graph and name the lowest number of a statistically significant sample size and state the statistically appropriate percentage total of displays
For a particular population, a sample of n = 9 scores has a standard error of 4. For the same population, a sample of n = 16 scores would have a standard error of ??
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