Do the data support or refute the null hypothesis? 5.19 < 7.82, so the null hypothesis is supported.
5.19 < 7.82, so the null hypothesis is refuted.
With 5% certainty, the null hypothesis is supported.
With 7% certainty, the null hypothesis is supported.

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit

What is the volume of a book that has a width of 10 cm a length that is 2 times the width and a height that is half they would remember to express your answer in keeping units

Which if the following best describes why invertebrates isn’t considered a scientifically valid word when classifying animals