Mathematics, 07.10.2019 20:30 dwilburn01
Over a period of five days, the average time of a commuter train trip from one town to the city was 77 minutes. one trip was 71 minutes, another was 74, and two each were 78 minutes. how many minutes long was the fifth trip?
Answers: 1
Mathematics, 21.06.2019 16:00, Alexishp33
What is the length of the unknown leg in the right triangle ?
Answers: 2
Mathematics, 21.06.2019 16:50, gesic2003
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
Mathematics, 21.06.2019 18:20, genyjoannerubiera
17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.
Answers: 2
Mathematics, 21.06.2019 19:30, Nicoleycannolii
You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width
Answers: 1
Over a period of five days, the average time of a commuter train trip from one town to the city was...
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