Biology, 10.03.2020 08:11, gabbysanchez5976
A biologist wants to estimate the difference between the mean body lengths of green and brown stinkbugs. A random sample of 20 green stinkbugs has a mean body length of 16.22 millimeters (mm) and a standard deviation of 1.34 mm. A random sample of 20 brown stinkbugs has a mean body length of 13.41 mm and a standard deviation of 0.73 mm. What is the standard error of the difference (green - brown) between the sample means?
Answers: 2
Biology, 22.06.2019 19:00, trentdhall56
Ruby is conducting an investigation. an advantage of her design is that she can use a large range of variables, with that she can not be sure that one variable is the cause of another. what kind of investigation is ruby most likely conducting?
Answers: 3
Biology, 22.06.2019 22:30, tatilynnsoto17
Which of the following correctly matches an immune system cell with the defense it produces? a. b cells release cytotoxins. b. t cells release cytotoxins. c. b cells absorb antibodies. d. t cells absorb antibodies.
Answers: 1
Biology, 23.06.2019 00:00, itzmelanie1
The footprint of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils a. body b. amber c. trace d. index
Answers: 3
A biologist wants to estimate the difference between the mean body lengths of green and brown stinkb...
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