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Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. r = 0.434, n = 15 a. Critical values: r = ±0.514, significant linear correlation b. Critical values: r = ±0.532, no significant linear correlation c. Critical values: r = ±0.514, significant linear correlation d. Critical values: r = ±0.514, no significant linear correlation
Find the probability that their mean energy consumption level for September is greater than 1075 kWh.
the mean of iq is 100 and the standard deviation is 16. sarah is in the 92nd percentile. what is a possible iq score
Consider an experiment that results in a positive outcome with probability 0.38 and a negative outcome with probability 0.62. Create a new experiment consisting of repeating the original experiment 3 times. Assume each repetition is independent of..
an issue that faces individuals investing for retirement is allocating assets among different investment choices.
Indicate which of the following responses below is correct. Discuss why it is correct or discuss why standard deviation is such a valuable statistic in so many situations.
Let's suppose that we have 2 variables year and age.. I use STATA to make them into dummy variables as follows:
Recognizing that the hike to the campsite is a long one, a limit of 35 pounds has been set as the maximum total weight of the items to be carried. Formulate this as a LP problem to maximize the total utility of items carried.
assume the random variable x is normally distributed with mean u50 and standard deviation o7. compute pxgt37
the heights of pecan trees are normally distributed with a mean of 10 feet and a standard deviation of 2 feet.what is
To test the effectiveness of a new type of plastic handcuffs, a law enforcement agency puts the cuffs on a sample of 30 persons who belong to the local weightlifting club. None is capable to break free from the cuffs. What type of sampling techniq..
The standard deviation is thought to be $750. How many card holders should be sampled? Your company charges a set dollar amount for each account in the sample.
scores on a marketing exam are known to be normally distribute with mean and standard deviation of 60 and 20
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