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If I wanted to determine whether there was a relation between age and HDL cholesterol and randomly selected 5 patients and obtained the following data. How would I compute the linear correlation coefficient and would a linear relation exist between age and HDL ?cholesterol?
n n Age HDL Cholesterol
3 0.997 17 0.482 38 57
4 0.950 18 0.468 46 34
5 0.878 19 0.456 61 42
6 0.811 20 0.444 49 55
7 0.754 21 0.433 44 28
8 0.707 22 0.423
9 0.666 23 0.413
10 0.632 24 0.404
11 0.602 25 0.396
12 0.576 26 0.388
13 0.553 27 0.381
14 0.532 28 0.374
15 0.514 29 0.367
16 0.497 30 0.361
1. the national snow and ice data center nsidc collects data on albedo depth and physical characteristics of ice
What benefit does this two-step clustering approach have over the approaches in parts (1) and (2)? What weakness does it have?
5000 light bulbs each with an average life of 500 hours, standard deviation is 100 hours. Find the percentage of bulbs that can be expected to last between 540 hours and 780 hours.
To findout the point estimate of the difference among population mean. Elucidate the percentage increase in the number of days on the disabled list.
suppose that a random variable x has the probability distributionfxx 0 if x lt 0x214 if 0 greaterthanorequalto x lt
A personnel manager has a computer-generated list of all employees that indicates that 70 percent are full-time employees, 20 percent are part-time employees, and 10 percent are furloughed or laid-off employees.
How would you interpret these results?- Would you claim that, on average, it is possible that the younger students score higher on this test?
Your quality control department has just analyzed the contents of 20 randomly selected barrels of materials to be used in manufacturing plastic garden.
A bag contains 8 red marbles, 2 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue?
What is the expected value of the extended warranty assuming it is replaced in the first 2 years?
What is the probability of a bus picking up the passengers at a given bus stop in more than 15 minutes following their arrival at the bus stop
Construct a 95% confidence interval for the proportion of red candies. Using your same data determine if the proportion of green candies in a package of M&Ms is differen than what is claimed by the company.
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