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The data show systolic and diastolic blood pressure of certain people. Find the regression equation, letting the systolic reading be the independent (x) variable.
Systolic 139 118 145 133 141 138 139 136
Diastolic 101 61 82 74 104 79 74 74
What is the regression equation?
Round 2 decimal places.
The "x" values for red and brown are the counts of each we found on the Data page. You will need to calculate the weighted p?
The inspector samples 12 cases at random, and subsamples 3 cans randomly from each selected case. Estimate the total number of worm fragments, along with a 95% confidence interval.
Suppose that the sales manager of a large automotive parts distributor wants to estimate as early as April the total annual sales of a region.
Using the .05 level of significance: a) Is there a difference among types of gasoline? b) Is there a difference in the cars?
The R.R. Bowker Company of New York collects information on the retail prices of collectible children's books and publishes its findings in Publisher's Weekly.
In a study, 65 % of the 100 Republicans surveyed, favored the bill for a salary increase and 60 %of the 200 Democrats surveyed, favored the same bill for a salary increase. Test whether the proportions of Republicans and Democrats favoring this bi..
Units with weights less than 5.8 or greater than 6.2 ounces will be classified as defects. What is the probability of a defect (to 4 decimals)?
Body mass index is calculated by dividing a persons weight by the square of his or her height; it is a measure of the extent to which the individual is overweight.
Construct a 99% confidence interval for the mean bill of a customer. A) [31.355, 32.645] B) [29.747, 34.253] C) [29.421, 34.579] D) [29,740, 34.260] E) [28.570, 35.570].
What is an example of a directional alternate hypothesis? What is an example of a non-directional alternate hypothesis?
Using probability: How can you use probability to improve your chances of winning at a casino. Provide specific examples using concepts learned in this module
What do you mean by degrees of feedom in statistics? Explain the concept of degrees of freedom for each of the following hypothesis tests.
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